Hypertext Webster Gateway: "chromous"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Chromous \Chro"mous\, a.
Of, pertaining to, or derived from, chromium, when this
element has a valence lower than that in chromic compounds.
{Chromous acid}, a bluish gray powder, CrO.OH, of weak acid
properties and regard as an acid.
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