TETRAMETHYLENE

Tet`ra*meth"yl*ene, n. Etym: [Tetra- + methylene.] (Chem.) (a) A hypothetical hydrocarbon, C4H8, analogous to trimethylene, and regarded as the base of well-known series or derivatives. (b) Sometimes, an isomeric radical used to designate certain compounds which are really related to butylene.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

18 October 2024

GRIEVOUS

(adjective) causing or marked by grief or anguish; “a grievous loss”; “a grievous cry”; “her sigh was heartbreaking”; “the heartrending words of Rabin’s granddaughter”


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Coffee Trivia

There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.

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