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tetraethylmethane
A chemical compound that looks like swastika when properly wound. Propper IUPAC name is 3,3-diethylpenthane.
tetraethylmethane by Tibor DP November 2, 2007
Related Words
tetraethyllead (TEL)
Tetraethyllead (TEL) is a fuel additive, first being mixed with gasoline beginning in the 1920s as a patented octane rating booster that allowed engine compression to be raised substantially.
tetraethyllead (TEL) by -autumn_qed ^^ - December 9, 2022
Tetraëteris
A tetraëteris is the Greek name for the period in 4 tropical years where the Moon phase occurs 2 weeks earlier, defined as 49 synodic months, 52.961595389901795 sidereal months, 53.174596199249 draconic months, 52.513969931831795 anomalistic months, and 1,446.998810185187 days.
Though if you intercalate it, you get 50 synodic months, 54.04244427541 sidereal months, 54.25979204005 draconic months, 53.58568360390999 anomalistic months, and 1,476.52939814815 days.
If you go halfway between 49 and 50 synodic months, you get 49 1/2 synodic months, which’s 53.5020198326559 sidereal months, 53.717194119649506 draconic months, 53.0498267678709 anomalistic months, and 1,461.7641041666686 days, which makes up half of an octaëteris, leading from a new/full moon to a full/new moon less than 1 day later.
Which’s just about 4 full synodic revolutions of Uranus, and leads from a new/full moon to a full/new moon within 15 days later.
The tetraëteris has been used for the Olympic games in that if the Olympic games of a games occurred 49 synodic months after the last events, then the next games would occur 50 synodic months later, then 49 more later, and then 50, vice versa, as 49 + 50 = 99 synodic months, making an octaëteris.
Though if you intercalate it, you get 50 synodic months, 54.04244427541 sidereal months, 54.25979204005 draconic months, 53.58568360390999 anomalistic months, and 1,476.52939814815 days.
If you go halfway between 49 and 50 synodic months, you get 49 1/2 synodic months, which’s 53.5020198326559 sidereal months, 53.717194119649506 draconic months, 53.0498267678709 anomalistic months, and 1,461.7641041666686 days, which makes up half of an octaëteris, leading from a new/full moon to a full/new moon less than 1 day later.
Which’s just about 4 full synodic revolutions of Uranus, and leads from a new/full moon to a full/new moon within 15 days later.
The tetraëteris has been used for the Olympic games in that if the Olympic games of a games occurred 49 synodic months after the last events, then the next games would occur 50 synodic months later, then 49 more later, and then 50, vice versa, as 49 + 50 = 99 synodic months, making an octaëteris.
Ben: If we didn't have COVID-19, the Tokyo Summer Olympics would've occurred in 2020.
Gregory: Well yeah.
Ben: Because the French Summer Olympics is happening between July 26 and August 11 in 2024.
Gregory: Ikr?
Ben: Because the Greeks knew the Moon was useful for calculating the Olympics.
Gregory: How do you know that?
Ben: Because they used the tetraëteris and octaëteris calendars.
Gregory: Interesting.
Ben: Well the London Summer Olympics took place between July 27 and August 12th in 2012 and the Rio Summer Olympics took place between August 5 and 21 in 2016.
Gregory: Looks like modern adjustments for the Olympic calendars.
Ben: Yeah.
Gregory: Well yeah.
Ben: Because the French Summer Olympics is happening between July 26 and August 11 in 2024.
Gregory: Ikr?
Ben: Because the Greeks knew the Moon was useful for calculating the Olympics.
Gregory: How do you know that?
Ben: Because they used the tetraëteris and octaëteris calendars.
Gregory: Interesting.
Ben: Well the London Summer Olympics took place between July 27 and August 12th in 2012 and the Rio Summer Olympics took place between August 5 and 21 in 2016.
Gregory: Looks like modern adjustments for the Olympic calendars.
Ben: Yeah.
Tetraëteris by gregben October 2, 2023
Tentrietic
Something/Someone experimental, sparking anemonia, reaching outside the box, exploring uncharted or undescribable emotion.
Mostly used when the subject is receiving praise or is deemed inspiring.
Mostly used when the subject is receiving praise or is deemed inspiring.
Tentrietic by thedemster January 26, 2026
More from Urban Dictionary
Respectfully
Precedes or follows either a gratuitously disrespectful or honest remark, originated in New York City. Used in similar fashion to "no offense" or "to be honest," interchangeably.
Ya mans is wild buns, respectfully. Respectfully he's washed.
After school, The Modells on Jamaica Ave was active. Respectfully.
After school, The Modells on Jamaica Ave was active. Respectfully.
Respectfully by john quan the first December 20, 2020
Word of the Day on September 26, 2026
You met me at a very Chinese time in my life
Dante: "I wish I could be Nigerian, but I can't because I'm Chinese. You met me at a very Chinese time in my life."
You met me at a very Chinese time in my life by Sus Chad September 21, 2026
Word of the Day on September 25, 2026
crunchy
Adjective. Used to describe persons who have adjusted or altered their lifestyle for environmental reasons. Crunchy persons tend to be politically strongly left-leaning and may be additionally but not exclusively categorized as vegetarians, vegans, eco-tarians, conservationists, environmentalists, neo-hippies, tree huggers, nature enthusiasts, etc.
Also used to describe establishments where alternative foods and products are sold, i.e. natural food stores.
Modified derivative of granola.
Also used to describe establishments where alternative foods and products are sold, i.e. natural food stores.
Modified derivative of granola.
murderhobo
In a tabletop game, a murderhobo is a player who murders NPCs indiscriminately. This is normally derogatory, referring to a player who totally ignores quests, dialog, backstory, trade, world building etc.
The term is most common with Dungeons and Dragons, but it can be applied to most RPGs where the player is allowed to kill most quest-giving NPCs and NPC traders. E.g. Elder Scrolls, Fallout, Divinity original sin.
The term is most common with Dungeons and Dragons, but it can be applied to most RPGs where the player is allowed to kill most quest-giving NPCs and NPC traders. E.g. Elder Scrolls, Fallout, Divinity original sin.
DM: The sad little orphan girl tugs at Steve's trenchcoat to get his attention, and ask for help saving her pet dog from...
Steve: I'd like to roll a strength check against strangling the orphan.
Dave: I call dibs on the dog.
DM: You murderhobos disgust me.
Steve: I'd like to roll a strength check against strangling the orphan.
Dave: I call dibs on the dog.
DM: You murderhobos disgust me.
murderhobo by Loup&S September 9, 2021
Word of the Day on September 22, 2026
Whale
In sales terms, a whale is a prospect that is significantly larger than an organization’s average customer.
Whales are large and extremely difficult to close. Due to their immense size, they are highly sought-after.
A whale is typically identified at first by a whale hunter on the sales team, but often requires cross-discipline participation in order to close; this includes assistance from operations, engineering, creative, client success, and business development teams.
Whales are large and extremely difficult to close. Due to their immense size, they are highly sought-after.
A whale is typically identified at first by a whale hunter on the sales team, but often requires cross-discipline participation in order to close; this includes assistance from operations, engineering, creative, client success, and business development teams.