Arsenous Anhydride — synonyms, definition

1. arsenous anhydride (Noun)

5 synonyms
arsenic arsenic trioxide arsenous oxide ratsbane white arsenic
1 definition

arsenous anhydride (Noun) — A white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer.

1 type of
trioxide