单词 | stearoptene |
释义 | stearoptene|stiːəˈrɒptiːn| Also -en, -ine. [ad. mod.L. type stearoptēnum (Herberger 18..), f. Gr. στέαρ solid fat (cf. stearin) + πτηνό-ς winged (taken to represent ‘volatile’). Cf. F. stéaroptène. Both this and the parallel elæoptene are bad formations, and do not express the intended meaning.] The solid crystalline component of a volatile oil, in contradistinction to the liquid part or elæoptene; a camphor.
1836Penny Cycl. VI. 204 Camphor is the stearopten, or one of the principles arising from the separation of the volatile oil of [etc.]. 1846Lindley Veg. Kingd. 537 The Camphor of commerce..is a kind of Stearoptine. 1887Bentley Man. Bot. (ed. 5) 642 The stearoptene called menthol..is said to be derived from Mentha arvensis. |

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