from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of or pertaining to styphnic acid or its derivatives
from the GNU version of the Collaborative International Dictionary of English
- adj. Pertaining to, or designating, a yellow crystalline astringent acid, (NO2)3.C6H.(OH)2, obtained by the action of nitric acid on resorcin. Styphnic acid resembles picric acid, but is not bitter. It acts like a strong dibasic acid, having a series of well defined salts.
from The Century Dictionary and Cyclopedia
- Noting an acid, a sulphur-colored compound, , prepared by the action of sulphuric and nitric acids on resorcinol. It forms large hexagonal crystals, melts at 175.5° C., and is a strong acid. Also called 2,4,6-trinitroresorcinol or 2,4, 6-trinitro-1,3-dihydroxybenzene.
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