arsenic trioxide
English Thesaurus
1. a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer (noun.substance)
| hypernym | : | trioxide, |
| definition | : | an oxide containing three atoms of oxygen in the molecule (noun.substance) |
| derivation | : | arsenical, |
| definition | : | relating to or containing arsenic (adj.pert) |
| derivation | : | arsenical, |
| definition | : | relating to or containing arsenic (adj.pert) |
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