arsenic trioxide
English
Noun
arsenic trioxide (uncountable)
- An industrially important oxide of arsenic that occurs as the mineral claudetite; formula As2O3 (though in liquid, gaseous and some solid forms it has molecules of the form As4O6).
Translations
an oxide of arsenic
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Usage notes
Often colloquially referred to simply as arsenic as the common form in such things as old style rat poison.
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