CHLOROUS
Etymology
Adjective
chlorous (not comparable)
(chemistry) Of a compound, containing chlorine with a lower oxidation number than equivalent chloric compounds; especially having an oxidation number of 3.
(obsolete) Relating to, or resembling, the electronegative character of chlorine; hence, electronegative; opposed to basylous or zincous.
Source: Wiktionary
Chlo"rous, a. Etym: [See Chlorine.]
1. Of, pertaining to, or derived from, chlorine; -- said of those
compounds of chlorine in which this element has a valence of three,
the next lower than in chloric compounds; as, chlorous acid, HClO2.
2. (Chem. Physics)
Definition: Pertaining to, or resembling, the electro-negative character of
chlorine; hence, electro-negative; -- opposed to basylous or zincous.
[Obs.]
Source: Webster’s Unabridged Dictionary 1913 Edition