chromic

POS

Adjective

HYPHEN

chro=mic

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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]

Chromic acid, an acid, H2CrO4, analogous to sulphuric acid, not readily obtained in the free state, but forming well known salts, many of which are colored pigments, as chrome yellow, chrome red, etc. -- Chromic anhydride, a brilliant red crystalline substance, CrO3, regarded as the anhydride of chromic acid. It is one of the most powerful oxidizers known.

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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.