a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
<noun.substance> freq. cnt.: 1 freq. cnt.: 1
<noun.substance> freq. cnt.: 1 freq. cnt.: 1
| arsenic |
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| arsenic trioxide |
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| arsenous anhydride |
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| arsenous oxide |
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| ratsbane |
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| white arsenic |
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