croton oil
noun Date: 1827 a viscid acrid fixed oil obtained from seeds of an Asian croton (Croton tiglium) formerly used as a powerful purgative but now used especially in pharmacological experiments as an irritant

New Collegiate Dictionary. 2001.

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  • Croton oil — (Crotonis Oleum) is an oil prepared from the seeds of Croton tiglium, a tree belonging to the natural order Euphorbiales and family Euphorbiaceae, and native or cultivated in India and the Malay Archipelago. Small doses taken internally cause… …   Wikipedia

  • Croton oil — Croton Cro ton (kr? t?n), n. [Gr. ????, prop., a tick, which the seed of the croton resembles.] (Bot.) A genus of euphorbiaceous plants belonging to tropical countries. [1913 Webster] {Croton oil} (Med.), a viscid, acrid, brownish yellow oil… …   The Collaborative International Dictionary of English

  • croton oil — n. a thick, bitter oil obtained from croton seeds: it is used as a counterirritant and, rarely, as a strong cathartic …   English World dictionary

  • croton oil — a brownish yellow oil, expressed from the seeds of the croton, Croton tiglium, that is a drastic purgative and counterirritant. [1870 75] * * * ▪ chemical compound       poisonous viscous liquid obtained from the seeds of a small Asiatic tree,… …   Universalium

  • croton oil — A fixed oil expressed from the seeds of Croton tiglium (family Euphorbiaceae), an East Indian shrub; used as an irritant purgative, and externally as a counterirritant and vesicant. * * * croton oil krōt ən n a viscid acrid fixed oil from an… …   Medical dictionary

  • croton oil — Oil from the seeds of the tropical plant Croton tiglium (Euphorbiaceae), causes severe skin irritation and contains a potent tumour promoter (co carcinogen), phorbol ester …   Dictionary of molecular biology

  • croton oil — noun viscid acrid brownish yellow oil from the seeds of Croton tiglium having a violent cathartic action • Hypernyms: ↑oil • Substance Holonyms: ↑croton, ↑Croton tiglium …   Useful english dictionary

  • croton oil — cro′ton oil n. chem. pha an oil, expressed from the seeds of the croton, Croton tiglium, that is a drastic purgative and counterirritant • Etymology: 1870–75 …   From formal English to slang

  • croton oil — noun A dark yellow, acrid oil, obtained from the seeds of plants of the genus Croton, once used as a drastic purgative …   Wiktionary

  • croton oil — /kroʊtn ˈɔɪl/ (say krohtn oyl) noun a powerful purgative oil from Croton tiglium, a shrub or tree of South East Asia …   Australian English dictionary

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