Word Study
chromic
CIDE DICTIONARY
chromic, a.
Pertaining to, or obtained from, chromium; -- said of the compounds of chromium in which it has its higher valence. [1913 Webster]
OXFORD DICTIONARY
chromic, adj. Chem. of or containing trivalent chromium.
Idiom
chromic acid an acid that exists only in solution or in the form of chromate salts.
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