| 释义 |
cerulein, cerulin|sɪˈruːliːɪn, ˈsɪərəlɪn|
Also cæ-.
[f. L. cærule-us blue + -in.]
†a. An intensely blue substance obtained from indigo.
b. A deep blue substance contained in many essential oils, also called azulene.
1810Henry Elem. Chem. (1840) II. 281 Cerulin appeared to consist of 1 atom of indigo + 4 atoms of water. 1838T. Thomson Chem. Org. Bodies 200 He gave the name of cerulin, from its blue colour, to the soluble indigo contained in it, and that of ceruleo-sulphates to the salts. 1872Watts Dict. Chem. IV. 185 An oily compound of a very deep blue colour called cærulein. 1880Syd. Soc. Lex., Cærulein, same as Azulene. |