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arsenic trioxide
DEFINITIONS OF:
arsenic trioxide
1
n
a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
Synonyms:
arsenic
,
arsenous anhydride
,
arsenous oxide
,
ratsbane
,
white arsenic
Type of:
trioxide
an oxide containing three atoms of oxygen in the molecule
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