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单词 cerotic
释义

ceroticadj.

/sɪˈrɒtɪk/
Etymology: < Greek κηρωτόν (see cerote n.) + -ic suffix.
Chemistry.
cerotic acid n. C26H52O2, ‘the essential constituent of that portion of beeswax which is soluble in boiling alcohol’ (Watts Dict. Chem.). See cerin n.
ΚΠ
1850 C. G. B. Daubeny Introd. Atomic Theory (ed. 2) viii. 258 As cerin forms a soap with potass, Brodie regards it as an acid, which he therefore calls the cerotic.
c1865 H. Letheby in J. Wylde Circle of Sci. I. 98/1 Chinese wax..is made up of cerotic acid and an alcohol named oxide of cerotyl.
1873 H. Watts Fownes's Man. Elem. Chem. (ed. 11) 695 Cerotic Acid is the essential constituent of cerin.

Derivatives

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ˈcerotate n. a salt of cerotic acid.
Categories »
ˈcerotene n. an olefine (C27 H54) obtained by the dry distillation of Chinese wax.
ˈcerotin n. hydrate of ceryl, C27H56O.
ΚΠ
1850 C. G. B. Daubeny Introd. Atomic Theory (ed. 2) viii. 258 Mr. Brodie..also detected in a species of wax from China a substance.. which he calls cerotin.
ˈcerotyl n. = ceryl n.
ΚΠ
c1865 [see cerotic acid n. at main sense].
1866 H. E. Roscoe Lessons Elem. Chem. xxx. 277 Cerotyl Alcohol..is contained in Chinese wax.
This entry has not yet been fully updated (first published 1889; most recently modified version published online September 2021).
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