WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. arsenic, arsenic trioxide, arsenous anhydride, arsenous oxide, white arsenic, ratsbane, trioxide
- usage: a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
- 2. arsenic, As, atomic number 33, chemical element, element
- usage: a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
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See also: arsenic (Dictionary)