| 单词 |
acetin |
| 释义 |
acetin Chem.|ˈæsɪtɪn| [f. acet- + -ine = Gr. -ινη daughter, derivative, here used to form a term matching glycerin.] Acetic glycerin; class name of a series of thick oily liquids, formed (by Berthelot) by the action of acetic acid upon glycerin; they consist of glycerin C3H5(OH)3 in which one, two, or all the three hydrogen atoms are replaced by the radical acetyl C2H3O, the result being mono-, di-, or tri-acetin; the formula of the last is C3H5(OC2H3O)3.
1874Roscoe Elem. Chem. xxxvi. 386. 1877 Watts Fownes' Chem. II. 285. |

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