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单词 picramate
释义

picramaten.

Brit. /ˈpɪkrəmeɪt/, U.S. /ˈpɪkrəˌmeɪt/
Origin: Formed within English, by derivation. Etymons: picramic adj., -ate suffix4.
Etymology: < picram- (in picramic adj.) + -ate suffix4.
Chemistry.
A salt, or the anion, of picramic acid.
ΚΠ
1857 H. Watts tr. L. Gmelin Hand-bk. Chem. XI. 245 Picramate of Lead.—Orange-coloured powder which explodes when heated.
1934 Science 12 Jan. 37/1 The bright yellow color of the alkaline picrate paper is converted..to the brick color of the reduced compound, sodium picramate.
1992 Zeitschr. f. Naturforschung C. 47 268/2 The formation of picramate from picrate includes reduction of one of the three nitro groups.
This is a new entry (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1857
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