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单词 stearoptene
释义

stearoptenen.

/stiːəˈrɒptiːn/
Forms: Also stearopten, stearoptine.
Etymology: < modern Latin type stearoptēnum (Herberger 18..), < Greek στέαρ solid fat (compare stearin n.) + πτηνός winged (taken to represent ‘volatile’). Compare French stéaroptène. Both this and the parallel elaeopten n. at elaeo- comb. form 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.
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the world > matter > chemistry > organic chemistry > crystalline substances > [noun] > camphors
camphor1313
asarin1834
stearoptene1836
anise camphor1863
1836 Penny Cycl. VI. 204 Camphor is the stearopten, or one of the principles arising from the separation of the volatile oil of [etc.].
1846 J. Lindley Veg. Kingdom 537 The Camphor of commerce..is a kind of Stearoptine.
1882 R. Bentley Man. Bot. (ed. 4) ii. iii. 619 The stearoptene called Chinese Oil of Peppermint is said to be derived from M. arvensis.
This entry has not yet been fully updated (first published 1916; most recently modified version published online June 2021).
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n.1836
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更新时间:2025/3/22 0:34:16