| 单词 | formic acid |
| 释义 | > as lemmasformic acid 1. Chemistry. formic acid: a colourless irritant volatile acid contained in a fluid emitted by ants. formic ethers, ethers obtained by substituting alcoholic radicals for the basic hydrogen of formic acid. ΘΚΠ the world > matter > chemistry > organic chemistry > acids obtained from insects > [noun] > formic acid formic acid1791 the world > matter > chemistry > organic chemistry > organic acids > [noun] > carboxylic acids > formic acid formic acid1791 methanoic acid1894 1791 W. Hamilton tr. C.-L. Berthollet Elements Art of Dyeing II. ii. ii. i. 52 Formic acid acts on indigo like the muriatic. 1807 T. Thomson Syst. Chem. (ed. 3) II. 313 Of formic acid. 1871 J. Tyndall Fragm. Sci. (1879) I. xvii. 449 For barely visible redness formic aether is more opaque than sulphuric. 1884 F. O. Bower & D. H. Scott tr. H. A. de Bary Compar. Anat. Phanerogams & Ferns 68 By distilling the nettle plant with sulphuric acid formic acid is obtained. < as lemmas |
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