| 单词 |
carb- |
| 释义 |
carb- Chem.
Combining form of carbon n., used (instead of carbo-) before vowels, in names of carbon compounds, as carbaˈllylic (or tricarballylic) acid [allyl], a 3-basic acid obtained by the action of potash on allylic tricyanide; its salts are carˈballylates. ˈcarbanil [anil], an amido-derivative of the benzene group, cyanate of phenyl, CO{b2}N{b1}C6H5, a mobile liquid with a pungent odour; hence carbanilamide, NH2·CO·NH{b1}C6H5, carbanilic acid, HO·CO·NH{b1}C6H5, carbanilide, CO{b2}2(NH·C6H5). ˈcarbazol [azo- + -ol], an amidophenyl, 2 C6H4{b2}NH, occurring in coal-tar oil, and as a by-product in the manufacture of aniline. carbaˈzotic acid [azotic], an earlier name of Picric acid; its salts are carˈbazotates.
1873Fownes' Chem. 730 Carballylic Acid is produced by the action of nascent hydrogen on aconitic acid. Ibid. The carballylates of the alkali-metals are easily soluble in water. 1877Ibid. II. 56 Carbazol crystallizes in shining laminæ. 1881Athenæum 14 May 658/3 ‘On some Carbazol Compounds’. 1836–9Todd Cycl. Anat. II. 405 The properties..closely resemble the carbazotates. 1830Lindley Nat. Syst. Bot. 93 A peculiar acid, called Carbazotic. 1883Chamb. Jrnl. 226 A yellow, intensely bitter mass..known also as Carbazotic Acid. |
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