• synonyms


noun Chemistry.
  1. a salt or ester of arsenous acid.
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Origin of arsenite

First recorded in 1790–1800; arsen- + -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for arsenite

Historical Examples

  • Arsenite of soda or Atlas Compound 79 is used in the first layer or two to keep out white ants.

    Cottage Building in Cob, Pis, Chalk and Clay

    Clough Williams-Ellis

  • The Terchloride, and the Arsenite of Potash, are the preparations most frequently employed.

    The Action of Medicines in the System

    Frederick William Headland

British Dictionary definitions for arsenite


  1. a salt or ester of arsenous acid, esp a salt containing the ion A 5 O 3 3–
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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