English dictionary
arsenious
/A/r's/i/n/i//@/s/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
adjective
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relating to compounds in which arsenic is trivalent
Source: WordNet 3.0
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Pertaining to, consisting of, or containing, arsenic; as, <i>arsenious</i> powder or glass.
Source: webster1913