from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An imide acid, C12H4N2O8, that turns dark blue on reduction.
from the GNU version of the Collaborative International Dictionary of English
- adj. an organic, imide acid, obtained as a colorless crystalline substance, C12H4N2O8 by heating an ammonium salt of mellitic acid. By reduction it is changed to a dark blue substance (euchrone), -- hence its name.
Ancient Greek, meaning "well-coloured". (Wiktionary)
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