English

Noun

arsenic trioxide ‎(uncountable)

1. 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

Usage notes

Often colloquially referred to simply as arsenic as the common form in such things as old style rat poison.