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nonant

1. One of the pieces of an area divided into nine sections.

2. A section of a rectangle that has been divided by two perpendicular pairs of parallel lines.
a) It's hard to win a game of tic-tac-toe when you start in the top, bottom or side nonants.

b) You'd better check your blind nonant before changing lanes.

c) Hey dude, check it out. My queen, bishop and rook have got all your king's nonants covered. Suffer looser.
by Chris Protologism April 19, 2008
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nonantal

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)
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."
by Dmitrio December 12, 2025
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