picramicadj.
/pᵻˈkramɪk/, U.S. /pᵻˈkræmɪk/ Chemistry.
picramic acid n. a red crystalline acid obtained by reducing picric acid, used as an intermediate in the manufacture of azo dyes and occasionally as an acid–base indicator; 2-amino-4,6-dinitrophenol, C6H2(NH2)(NO2)2OH.
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1857 H. Watts tr. L. Gmelin Hand-bk. Chem. XI. 243 Picramic acid unites readily with bases.
1927 R. S. Horsfall & L. G. Lawrie Dyeing Textile Fibres ix. 263 The meta-chrome process as originally introduced..was confined to a comparatively small number of dyestuffs derived from picramic acid.
1933 S. W. Cole Pract. Physiol. Chem. (ed. 9) vi. 151 Picric acid is reduced to picramic acid by heating with sugars in alkaline solution, this serving as the basis of a colorimetric method for estimating sugar in blood.
2002 Jrnl. Chromatogr. 943 47 The presence of picramic acid was..verified in soil samples from a former ammunition plant.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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adj.1857- to give sauce
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