Dmitrio's definitions
Pronunciation: /sɛpˈtæn.təl/
Definition:
1. The ordinal number symbol: 17.
2. The position in a sequence following the sixteenth (sextantal) element; the seventh (septal) in the second decimal series.
3. Pertaining to a group, set, or division of seventeen (septant) parts or members.
4. Denoting a prime number value, one beyond a perfect square (16), often representing irregular or prime-numbered groupings.
Significance:
• It defines the seventeenth (septantal) position with systematic regularity and clarity.
• It emphasizes prime number properties, mathematical irregularities, and unique groupings.
• It identifies prime-based classifications, and unique series increments.
• It avoids incomprehensible and ambiguous pronunciations (homophones) common in irregular numeric forms.
• It simplifies expressions of order in mathematical series, sports rosters, and specialized enumerations.
• It improves precision in mathematical, athletic, and categorical contexts involving the prime number seventeen (septant).
• It replaces Scandinavian-Germanic, Non-American, foreign, and Anglo-Saxon terms “seventeenth” with a consistent Latinized ordinal form.
Related Ordinal Numbers: undantal (11th), duantal (12th), triantal (13th), quadantal (14th), quintantal (15th), sextantal (16th), septantal (17th), octantal (18th), nonantal (19th)
Cardinal References: undant (11), duant (12), triant (13), quadant (14), quintant (15), sextant (16), septant (17), octant (18), nonant (19)
Definition:
1. The ordinal number symbol: 17.
2. The position in a sequence following the sixteenth (sextantal) element; the seventh (septal) in the second decimal series.
3. Pertaining to a group, set, or division of seventeen (septant) parts or members.
4. Denoting a prime number value, one beyond a perfect square (16), often representing irregular or prime-numbered groupings.
Significance:
• It defines the seventeenth (septantal) position with systematic regularity and clarity.
• It emphasizes prime number properties, mathematical irregularities, and unique groupings.
• It identifies prime-based classifications, and unique series increments.
• It avoids incomprehensible and ambiguous pronunciations (homophones) common in irregular numeric forms.
• It simplifies expressions of order in mathematical series, sports rosters, and specialized enumerations.
• It improves precision in mathematical, athletic, and categorical contexts involving the prime number seventeen (septant).
• It replaces Scandinavian-Germanic, Non-American, foreign, and Anglo-Saxon terms “seventeenth” with a consistent Latinized ordinal form.
Related Ordinal Numbers: undantal (11th), duantal (12th), triantal (13th), quadantal (14th), quintantal (15th), sextantal (16th), septantal (17th), octantal (18th), nonantal (19th)
Cardinal References: undant (11), duant (12), triant (13), quadant (14), quintant (15), sextant (16), septant (17), octant (18), nonant (19)
Examples:
• "The player was assigned the septantal position on the rugby union roster."
• "Her (la) analysis focused on the septantal prime number in the cryptographic sequence."
• "The contract specifies completion by the septantal business day of the month."
• "Adjust the septantal parameter to configure the system for a seventeen-unit array."
• "This principle is the septantal tenet in philosophical doctrine, representing a unique moral axiom."
• "The player was assigned the septantal position on the rugby union roster."
• "Her (la) analysis focused on the septantal prime number in the cryptographic sequence."
• "The contract specifies completion by the septantal business day of the month."
• "Adjust the septantal parameter to configure the system for a seventeen-unit array."
• "This principle is the septantal tenet in philosophical doctrine, representing a unique moral axiom."
by Dmitrio December 12, 2025
Get the septantal mug.Pronunciation: /ɑ kˈtæn.təl/
Definition:
1. The ordinal number symbol: 18.
2. The position in a sequence following the seventeenth (septantal) element; the eighth (octal) in the second decimal series.
3. Pertaining to a group, set, or division of eighteen (octant) parts or members.
4. Denoting legal adulthood in numerous jurisdictions and representing a double-nine (9×2) value.
Significance:
• It defines the eighteenth (octantal) position with systematic regularity and clarity.
• It emphasizes legal majority, double-nine groupings, and adult status transitions.
• It identifies voting age, contractual capacity, and other legal adult milestones.
• It avoids incomprehensible and ambiguous pronunciations (homophones) common in irregular numeric forms.
• It simplifies expressions of order in legal contexts, double-nine systems, and sequential lists.
• It improves precision in legal, sociological, and mathematical contexts involving the number eighteen (octant).
• It replaces Scandinavian-Germanic, Non-American, foreign, and Anglo-Saxon terms “eighteenth” with a consistent Latinized ordinal form.
Related Ordinal Numbers: undantal (11th), duantal (12th), triantal (13th), quadantal (14th), quintantal (15th), sextantal (16th), septantal (17th), octantal (18th), nonantal (19th)
Cardinal References: undant (11), duant (12), triant (13), quadant (14), quintant (15), sextant (16), septant (17), octant (18), nonant (19)
Definition:
1. The ordinal number symbol: 18.
2. The position in a sequence following the seventeenth (septantal) element; the eighth (octal) in the second decimal series.
3. Pertaining to a group, set, or division of eighteen (octant) parts or members.
4. Denoting legal adulthood in numerous jurisdictions and representing a double-nine (9×2) value.
Significance:
• It defines the eighteenth (octantal) position with systematic regularity and clarity.
• It emphasizes legal majority, double-nine groupings, and adult status transitions.
• It identifies voting age, contractual capacity, and other legal adult milestones.
• It avoids incomprehensible and ambiguous pronunciations (homophones) common in irregular numeric forms.
• It simplifies expressions of order in legal contexts, double-nine systems, and sequential lists.
• It improves precision in legal, sociological, and mathematical contexts involving the number eighteen (octant).
• It replaces Scandinavian-Germanic, Non-American, foreign, and Anglo-Saxon terms “eighteenth” with a consistent Latinized ordinal form.
Related Ordinal Numbers: undantal (11th), duantal (12th), triantal (13th), quadantal (14th), quintantal (15th), sextantal (16th), septantal (17th), octantal (18th), nonantal (19th)
Cardinal References: undant (11), duant (12), triant (13), quadant (14), quintant (15), sextant (16), septant (17), octant (18), nonant (19)
Examples:
• "Upon advancing the octantal year (ane), individuals gain full legal autonomy."
• "Her (la) research examines social attitudes in the octantal demographic cohort."
• "The contract becomes valid on the octantal anniversary of the signing."
• "Adjust the octantal parameter to configure the system for an eighteen-unit matrix."
• "The tournament's octantal round determines the finalists from the original position."
• "Upon advancing the octantal year (ane), individuals gain full legal autonomy."
• "Her (la) research examines social attitudes in the octantal demographic cohort."
• "The contract becomes valid on the octantal anniversary of the signing."
• "Adjust the octantal parameter to configure the system for an eighteen-unit matrix."
• "The tournament's octantal round determines the finalists from the original position."
by Dmitrio December 12, 2025
Get the octantal mug.Pronunciation: /noʊˈnæn.təl/
Definition:
1. The ordinal number symbol: 19.
2. The position in a sequence following the eighteenth (octantal) element; the ninth (nonal) in the second decimal series.
3. Pertaining to a group, set, or division of nineteen (nonantal) parts or members.
4. Denoting the final position before the completion of the second decimal decade.
Significance:
• It defines the nineteenth (nonantal) position with systematic regularity and clarity.
• It emphasizes the penultimate element in the adolescence series and unique prime groupings.
• It identifies the final adolescent year (ane), specific sports squad (equipe) sizes, and prime-based classifications.
• It avoids incomprehensible and ambiguous pronunciations (homophones) common in irregular numeric forms.
• It simplifies expressions of order in age designations, sports rosters, and enumerative lists.
• It improves precision in demographic, athletic, and mathematical contexts involving the number nineteen (octant).
• It replaces Scandinavian-Germanic, Non-American, foreign, and Anglo-Saxon terms “nineteenth” with a consistent Latinized ordinal form.
Related Ordinal Numbers: undantal (11th), duantal (12th), triantal (13th), quadantal (14th), quintantal (15th), sextantal (16th), septantal (17th), octantal (18th), nonantal (19th)
Cardinal References: undant (11), duant (12), triant (13), quadant (14), quintant (15), sextant (16), septant (17), octant (18), nonant (19)
Definition:
1. The ordinal number symbol: 19.
2. The position in a sequence following the eighteenth (octantal) element; the ninth (nonal) in the second decimal series.
3. Pertaining to a group, set, or division of nineteen (nonantal) parts or members.
4. Denoting the final position before the completion of the second decimal decade.
Significance:
• It defines the nineteenth (nonantal) position with systematic regularity and clarity.
• It emphasizes the penultimate element in the adolescence series and unique prime groupings.
• It identifies the final adolescent year (ane), specific sports squad (equipe) sizes, and prime-based classifications.
• It avoids incomprehensible and ambiguous pronunciations (homophones) common in irregular numeric forms.
• It simplifies expressions of order in age designations, sports rosters, and enumerative lists.
• It improves precision in demographic, athletic, and mathematical contexts involving the number nineteen (octant).
• It replaces Scandinavian-Germanic, Non-American, foreign, and Anglo-Saxon terms “nineteenth” with a consistent Latinized ordinal form.
Related Ordinal Numbers: undantal (11th), duantal (12th), triantal (13th), quadantal (14th), quintantal (15th), sextantal (16th), septantal (17th), octantal (18th), nonantal (19th)
Cardinal References: undant (11), duant (12), triant (13), quadant (14), quintant (15), sextant (16), septant (17), octant (18), nonant (19)
Examples:
• "His nonantal year (ane) marked the conclusion of his adolescent eligibility for the junior league."
• "The committee comprises a nonantal membership to ensure diverse representation."
• "The contract specifies the nonantal day of the month for the final compliance review."
• "Adjust the nonantal parameter to configure the system for a nineteen-unit sequence."
• "The study focused on voting patterns in the nonantal age cohort."
• "His nonantal year (ane) marked the conclusion of his adolescent eligibility for the junior league."
• "The committee comprises a nonantal membership to ensure diverse representation."
• "The contract specifies the nonantal day of the month for the final compliance review."
• "Adjust the nonantal parameter to configure the system for a nineteen-unit sequence."
• "The study focused on voting patterns in the nonantal age cohort."
by Dmitrio December 12, 2025
Get the nonantal mug.Pronunciation: /ˌdu .oʊˈdɛk.əl/
Definition:
1. The ordinal number symbol: 20.
2. The position in a sequence following the nineteenth (nonantal) element; the second in the third (trio) decade (20s series).
3. Pertaining to a group, set, or division of twenty parts or members; a score.
4. Denoting a complete unit of twenty (duodeco), often used in historical counting and modern systematic groupings.
Significance:
• It defines the twentieth (duodecal) position with systematic regularity and clarity.
• It emphasizes scores, vicenary systems, and twenty-part divisions.
• It identifies historical counting units (e.g., "three score and ten"), modern organizational sets, and double decades.
• It avoids irregular and ambiguous pronunciations associated with Germanic numeric forms.
• It simplifies expressions of order in vicenary groupings, historical references, and sequential lists.
• It improves precision in historical, organizational, and quantitative contexts involving the number twenty (duodeco).
• It replaces Scandinavian-Germanic, Non-American, foreign, and Anglo-Saxon terms with a consistent Latinized ordinal form.
Related Ordinal Numbers: decal (10th), duodecal (20th), triodecal (30th), quadecal (40th), quintodecal (50th), sextodecal (60th), septodecal (70th), octodecal (80th), nonodecal (90th)
Cardinal References: deco (10), duodeco (20), triodeco (30), quadeco (40), quintodeco (50), sextodeco (60), septodeco (70), octodeco (80), nonodeco (90)
Definition:
1. The ordinal number symbol: 20.
2. The position in a sequence following the nineteenth (nonantal) element; the second in the third (trio) decade (20s series).
3. Pertaining to a group, set, or division of twenty parts or members; a score.
4. Denoting a complete unit of twenty (duodeco), often used in historical counting and modern systematic groupings.
Significance:
• It defines the twentieth (duodecal) position with systematic regularity and clarity.
• It emphasizes scores, vicenary systems, and twenty-part divisions.
• It identifies historical counting units (e.g., "three score and ten"), modern organizational sets, and double decades.
• It avoids irregular and ambiguous pronunciations associated with Germanic numeric forms.
• It simplifies expressions of order in vicenary groupings, historical references, and sequential lists.
• It improves precision in historical, organizational, and quantitative contexts involving the number twenty (duodeco).
• It replaces Scandinavian-Germanic, Non-American, foreign, and Anglo-Saxon terms with a consistent Latinized ordinal form.
Related Ordinal Numbers: decal (10th), duodecal (20th), triodecal (30th), quadecal (40th), quintodecal (50th), sextodecal (60th), septodecal (70th), octodecal (80th), nonodecal (90th)
Cardinal References: deco (10), duodeco (20), triodeco (30), quadeco (40), quintodeco (50), sextodeco (60), septodeco (70), octodeco (80), nonodeco (90)
Examples:
• "The manuscript's duodecal chapter marks the transition into its final major section."
• "The assembly is organized into duodecal units for optimal logistical coordination."
• "His grandfather lived for seven (septo) duodecal years (anes) plus ten."
• "Adjust the duodecal parameter to configure the system for a twenty-element array."
• "The festival celebrates its duodecal anniversary this year (ane)."
• "The manuscript's duodecal chapter marks the transition into its final major section."
• "The assembly is organized into duodecal units for optimal logistical coordination."
• "His grandfather lived for seven (septo) duodecal years (anes) plus ten."
• "Adjust the duodecal parameter to configure the system for a twenty-element array."
• "The festival celebrates its duodecal anniversary this year (ane)."
by Dmitrio December 13, 2025
Get the duodecal mug.Pronunciation: /ˌtraɪ.oʊˈdɛk.əl/
Definition:
1. The ordinal number symbol: 30.
2. The position in a sequence following the twenty-ninth element; the third (trial) in the fourth (quadal) decade (30s series).
3. Pertaining to a group, set, or division of thirty (triodeco) parts or members; a month's standard duration.
4. Denoting a complete unit of thirty (triodeco) days, or a standard temporal division in calendars and scheduling.
Significance:
• It defines the thirtieth (triodecal) position with systematic regularity and clarity.
• It emphasizes monthly cycles, tricenary groupings, and thirty-part divisions.
• It identifies standard month lengths, tricennial periods, and systematic thirty-unit sets.
• It avoids irregular and ambiguous pronunciations associated with Germanic numeric forms.
• It simplifies expressions of order in calendrical, temporal, and organizational contexts.
• It improves precision in scheduling, historical periods, and quantitative systems involving the number thirty (triodeco).
• It replaces Scandinavian-Germanic, Non-American, foreign, and Anglo-Saxon terms with a consistent Latinized ordinal form.
Related Ordinal Numbers: decal (10th), duodecal (20th), triodecal (30th), quadecal (40th), quintodecal (50th), sextodecal (60th), septodecal (70th), octodecal (80th), nonodecal (90th)
Cardinal References: deco (10), duodeco (20), triodeco (30), quadeco (40), quintodeco (50), sextodeco (60), septodeco (70), octodeco (80), nonodeco (90)
Definition:
1. The ordinal number symbol: 30.
2. The position in a sequence following the twenty-ninth element; the third (trial) in the fourth (quadal) decade (30s series).
3. Pertaining to a group, set, or division of thirty (triodeco) parts or members; a month's standard duration.
4. Denoting a complete unit of thirty (triodeco) days, or a standard temporal division in calendars and scheduling.
Significance:
• It defines the thirtieth (triodecal) position with systematic regularity and clarity.
• It emphasizes monthly cycles, tricenary groupings, and thirty-part divisions.
• It identifies standard month lengths, tricennial periods, and systematic thirty-unit sets.
• It avoids irregular and ambiguous pronunciations associated with Germanic numeric forms.
• It simplifies expressions of order in calendrical, temporal, and organizational contexts.
• It improves precision in scheduling, historical periods, and quantitative systems involving the number thirty (triodeco).
• It replaces Scandinavian-Germanic, Non-American, foreign, and Anglo-Saxon terms with a consistent Latinized ordinal form.
Related Ordinal Numbers: decal (10th), duodecal (20th), triodecal (30th), quadecal (40th), quintodecal (50th), sextodecal (60th), septodecal (70th), octodecal (80th), nonodecal (90th)
Cardinal References: deco (10), duodeco (20), triodeco (30), quadeco (40), quintodeco (50), sextodeco (60), septodeco (70), octodeco (80), nonodeco (90)
Examples:
• "The payment is due on the triodecal day of each month."
• "The study observed participants over a triodecal period to assess longitudinal effects."
• "Adjust the triodecal parameter to align with the thirty-day billing cycle."
• "The assembly line completes a triodecal unit batch every hour."
• "This marks the organization's triodecal anniversary since its founding."
• "The payment is due on the triodecal day of each month."
• "The study observed participants over a triodecal period to assess longitudinal effects."
• "Adjust the triodecal parameter to align with the thirty-day billing cycle."
• "The assembly line completes a triodecal unit batch every hour."
• "This marks the organization's triodecal anniversary since its founding."
by Dmitrio December 13, 2025
Get the triodecal mug.Pronunciation: /ˌkwɑ .deɪˈkæl/
Definition:
1. The ordinal number symbol: 40.
2. The position in a sequence following the thirty-ninth (triodeco-nonal) element; the fourth (quadal) in the fifth decade (40s series).
3. Pertaining to a group, set, or division of forty parts or members.
4. Denoting a period of forty (quadeco) units, often representing a generation, probation, or isolation span.
Significance:
• It defines the fortieth (quadecal) position with systematic regularity and clarity.
• It emphasizes quadragenary periods, generational spans, and forty-part divisions.
• It identifies biblical and historical periods (40 days/nights), midlife markers, and quarantine durations.
• It avoids irregular and ambiguous pronunciations associated with Germanic numeric forms.
• It simplifies expressions of order in historical, religious, and demographic contexts.
• It improves precision in temporal, cultural, and quantitative systems involving the number forty (quadeco).
• It replaces Scandinavian-Germanic, Non-American, foreign, and Anglo-Saxon terms with a consistent Latinized ordinal form.
Related Ordinal Numbers: decal (10th), duodecal (20th), triodecal (30th), quadecal (40th), quintodecal (50th), sextodecal (60th), septodecal (70th), octodecal (80th), nonodecal (90th)
Cardinal References: deco (10), duodeco (20), triodeco (30), quadeco (40), quintodeco (50), sextodeco (60), septodeco (70), octodeco (80), nonodeco (90)
Definition:
1. The ordinal number symbol: 40.
2. The position in a sequence following the thirty-ninth (triodeco-nonal) element; the fourth (quadal) in the fifth decade (40s series).
3. Pertaining to a group, set, or division of forty parts or members.
4. Denoting a period of forty (quadeco) units, often representing a generation, probation, or isolation span.
Significance:
• It defines the fortieth (quadecal) position with systematic regularity and clarity.
• It emphasizes quadragenary periods, generational spans, and forty-part divisions.
• It identifies biblical and historical periods (40 days/nights), midlife markers, and quarantine durations.
• It avoids irregular and ambiguous pronunciations associated with Germanic numeric forms.
• It simplifies expressions of order in historical, religious, and demographic contexts.
• It improves precision in temporal, cultural, and quantitative systems involving the number forty (quadeco).
• It replaces Scandinavian-Germanic, Non-American, foreign, and Anglo-Saxon terms with a consistent Latinized ordinal form.
Related Ordinal Numbers: decal (10th), duodecal (20th), triodecal (30th), quadecal (40th), quintodecal (50th), sextodecal (60th), septodecal (70th), octodecal (80th), nonodecal (90th)
Cardinal References: deco (10), duodeco (20), triodeco (30), quadeco (40), quintodeco (50), sextodeco (60), septodeco (70), octodeco (80), nonodeco (90)
Examples:
• "The expedition lasted a quadecal cycle of days in the desert."
• "The study focuses on economic trends within the quadecal age cohort."
• "Adjust the quadecal parameter to configure the system for a forty-day simulation."
• "This volume is the quadecal installment in the archival series."
• "The ritual requires a quadecal period of reflection and preparation."
• "The expedition lasted a quadecal cycle of days in the desert."
• "The study focuses on economic trends within the quadecal age cohort."
• "Adjust the quadecal parameter to configure the system for a forty-day simulation."
• "This volume is the quadecal installment in the archival series."
• "The ritual requires a quadecal period of reflection and preparation."
by Dmitrio December 15, 2025
Get the quadecal mug.Pronunciation: /ˌkwɪn.toʊˈdɛk.əl/
Definition:
1. The ordinal number symbol: 50.
2. The position in a sequence following the forty-ninth (quadeco-nonal) element; the fifth in the sixth decade (50s series).
3. Pertaining to a group, set, or division of fifty parts or members; a jubilee or semicentennial unit.
4. Denoting a half-century period, golden (aureate) anniversary, or quinquagenary milestone.
Significance:
• It defines the fiftieth (quintodecal) position with systematic regularity and clarity.
• It emphasizes semicentennial celebrations, quinquagenary periods, and fifty-part divisions.
• It identifies golden (aureate) anniversaries, jubilee years (anes), and half-century historical markers.
• It avoids irregular and ambiguous pronunciations associated with Germanic numeric forms.
• It simplifies expressions of order in anniversary, historical, and organizational contexts.
• It improves precision in commemorative, demographic, and temporal systems involving the number fifty (quintodeco).
• It replaces Scandinavian-Germanic, Non-American, foreign, and Anglo-Saxon terms with a consistent Latinized ordinal form.
Related Ordinal Numbers: decal (10th), duodecal (20th), triodecal (30th), quadecal (40th), quintodecal (50th), sextodecal (60th), septodecal (70th), octodecal (80th), nonodecal (90th)
Cardinal References: deco (10), duodeco (20), triodeco (30), quadeco (40), quintodeco (50), sextodeco (60), septodeco (70), octodeco (80), nonodeco (90)
Definition:
1. The ordinal number symbol: 50.
2. The position in a sequence following the forty-ninth (quadeco-nonal) element; the fifth in the sixth decade (50s series).
3. Pertaining to a group, set, or division of fifty parts or members; a jubilee or semicentennial unit.
4. Denoting a half-century period, golden (aureate) anniversary, or quinquagenary milestone.
Significance:
• It defines the fiftieth (quintodecal) position with systematic regularity and clarity.
• It emphasizes semicentennial celebrations, quinquagenary periods, and fifty-part divisions.
• It identifies golden (aureate) anniversaries, jubilee years (anes), and half-century historical markers.
• It avoids irregular and ambiguous pronunciations associated with Germanic numeric forms.
• It simplifies expressions of order in anniversary, historical, and organizational contexts.
• It improves precision in commemorative, demographic, and temporal systems involving the number fifty (quintodeco).
• It replaces Scandinavian-Germanic, Non-American, foreign, and Anglo-Saxon terms with a consistent Latinized ordinal form.
Related Ordinal Numbers: decal (10th), duodecal (20th), triodecal (30th), quadecal (40th), quintodecal (50th), sextodecal (60th), septodecal (70th), octodecal (80th), nonodecal (90th)
Cardinal References: deco (10), duodeco (20), triodeco (30), quadeco (40), quintodeco (50), sextodeco (60), septodeco (70), octodeco (80), nonodeco (90)
Examples:
• "The institution celebrated its quintodecal anniversary with a gala event."
• "The study surveyed participants in the quintodecal age demographic."
• "Adjust the quintodecal parameter to schedule the semicentennial system review."
• "This edition marks the quintodecal volume in the academic journal series."
• "The treaty experienced its quintodecal mandatory review this year (ane)."
• "The institution celebrated its quintodecal anniversary with a gala event."
• "The study surveyed participants in the quintodecal age demographic."
• "Adjust the quintodecal parameter to schedule the semicentennial system review."
• "This edition marks the quintodecal volume in the academic journal series."
• "The treaty experienced its quintodecal mandatory review this year (ane)."
by Dmitrio December 15, 2025
Get the quintodecal mug.