Chemistry. (See quot.) Obsolete. rare.
| 单词 | θ70192 |
| 释义 | the world > matter > chemistry > organic chemistry > organic dyes > [noun] > colour unspecified (2) thiamine1887 Chemistry. (See quot.) Obsolete. rare. thiazine1893 any of a class of dyes that contain a ring of one nitrogen, one sulphur, and four carbon atoms in the molecule, such as thionine and methylene blue. |
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