OLEFINE

alkene, olefine, olefin

(noun) any unsaturated aliphatic hydrocarbon

Source: WordNet® 3.1


Etymology

Noun

olefine (countable and uncountable, plural olefines)

(chemistry) olefiant gas, or ethylene

(chemistry, by extension) any of the series of unsaturated hydrocarbons of which ethylene is a type

Source: Wiktionary


O"le*fine, n. Etym: [From Olefiant.] (Chem.)

Definition: Olefiant gas, or ethylene; hence, by extension, any one of the series of unsaturated hydrocarbons of which ethylene is a type. See Ethylene.

Source: Webster’s Unabridged Dictionary 1913 Edition



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30 May 2025

FOREHAND

(noun) (sports) a return made with the palm of the hand facing the direction of the stroke (as in tennis or badminton or squash)


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