| hypochlorous | <chemistry> Pertaining to, or derived from, chlorine having a valence lower than in chlorous compounds. Origin: Pref. Hypo- + chlorous. Source: Websters Dictionary (01 Mar 1998) |
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| hypochlorous acid | <chemical> An oxyacid of chlorine containing monovalent chlorine that acts as an oxidizing or reducing agent. It is derived from chlorine, not known in a pure state, but forming various salts, called hypochlorites. Chemical name: Hypochlorous acid (12 Dec 1998) |