Webster's Revised Unabridged Dictionary · 1913

Hypochlorous

Hypochlorous , adjective

[Prefix hypo- + chlorous.]

(Chemistry) Pertaining to, or derived from, chlorine having a valence lower than in chlorous compounds.
Collocations (1)
Hypochlorous acid (Chemistry) , an acid derived from chlorine, not known in a pure state, but forming various salts, called hypochlorites.