chlorous

[klawr-uh s, klohr-]

adjective

containing trivalent chlorine.
of or derived from chlorous acid.

Origin of chlorous

First recorded in 1835–45; chlor-² + -ous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for chlorous

Historical Examples of chlorous

A salt in which the hydrogen of chlorous acid, HClO2, is replaced by a metal or other basic radical.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I
Arnold Cooley
It must be collected in the same way as chlorine, or passed into water, when it forms a solution of chlorous acid.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I
Arnold Cooley
The same result occurs if the aniline be treated with a solution of chlorous acid.
Cooley's Practical Receipts, Volume II
Arnold Cooley
They may be recognised by the evolution of chlorous acid gas when acted on by an acid.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I
Arnold Cooley
It is probably a mixture of chlorous acid and free chlorine.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I
Arnold Cooley

British Dictionary definitions for chlorous

chlorous

adjective

of or containing chlorine in the trivalent state
of or containing chlorous acid

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012