BUTYLENE
butylene, butene
(noun) any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers
Source: WordNet® 3.1
Etymology
Noun
butylene (plural butylenes)
(organic compound) Any of three isomeric aliphatic alkenes containing four carbon atoms and one double bond; their polymers are used as synthetic rubber.
Source: Wiktionary
Bu"ty*lene, n. Etym: [From Butyl.] (Chem.)
Definition: Any one of three metameric hydrocarbons, C4H8, of the ethylene series. They are gaseous or easily liquefiable.
Source: Webster’s Unabridged Dictionary 1913 Edition
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18 April 2025
GROIN
(noun) the crease at the junction of the inner part of the thigh with the trunk together with the adjacent region and often including the external genitals
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