| 释义 |
cerotic, a. Chem.|sɪˈrɒtɪk|
[f. Gr. κηρωτ-όν (see prec.) + -ic.]
In cerotic acid, C26H52O2, ‘the essential constituent of that portion of beeswax which is soluble in boiling alcohol’ (Watts Dict. Chem.). See cerin. Its salts are called ˈcerotates.
1850Daubeny Atom. The. viii. 258 As cerin forms a soap with potass, Brodie regards it as an acid, which he therefore calls the cerotic. 1873Watts Fownes' Chem. 695 Cerotic Acid is the essential constituent of cerin.
So ˈcerotene, an olefine (C27 H54) obtained by the dry distillation of Chinese wax; ˈcerotin, hydrate of ceryl, C27H56O; ˈcerotyl, = ceryl.
1850Daubeny Atom. The. viii. 258 Mr. Brodie..also detected in a species of wax from China a substance.. which he calls cerotin. c1865Letheby in Circ. Sc. I. 98/1 Chinese wax..is made up of cerotic acid and an alcohol named oxide of cerotyl. 1869Roscoe Elem. Chem. 334 Cerotyl Alcohol, is contained in Chinese wax. |