butylene, butene
(noun) any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers
Source: WordNet® 3.1
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
21 June 2025
(noun) the condition of being deprived of oxygen (as by having breathing stopped); “asphyxiation is sometimes used as a form of torture”
International Coffee Day (September 29) is an occasion to promote and celebrate coffee as a beverage, with events occurring in places across the world. A day to promote fair trade coffee and raise awareness for the coffee growers’ plight. Other countries celebrate this event on October 1.
