单词 | myricin |
释义 | myricinn. Chemistry. Now rare. A waxy ester obtained as a residue when beeswax is treated with boiling alcohol, found also in some plant waxes; melissyl palmitate, CH3(CH2)14COOC30H61. ΚΠ 1821 A. Ure Dict. Chem. Myricin, the ingredient of wax which remains after digestion with alcohol. 1848 Philos. Trans. (Royal Soc.) 138 147 It has been ascertained that wax is separable by alcohol into two portions, which have been called cerin and myricin. 1855 A. B. Garrod Essentials Materia Medica 260 Wax is separable by means of alcohol into three portions: myricine,..cerotic acid..and ceroleine. 1856 Orr's Circle Sci.: Pract. Chem. 460 Chinese wax is entirely free from myricine. 1924 J. A. Thomson Sci. Old & New xviii. 99 Much more abundant, up to 85 per cent., is myricin, not soluble in alcohol; it is what is called an ‘ester’, and related to palmitic acid. 1943 Science 25 June 574/1 The following chemicals are wanted by the National Registry of Rare Chemicals..: 15. Myricin. This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022). < n.1821 |
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