Dictionary

arsenious

adjective ar·se·ni·ous \är-ˈsē-nē-əs\

Definition of ARSENIOUS

:  of, relating to, or containing arsenic especially when trivalent

First Known Use of ARSENIOUS

1810

arsenious

adjective ar·se·ni·ous \är-ˈsē-nē-əs\   (Medical Dictionary)

Medical Definition of ARSENIOUS

:  of, relating to, or containing arsenic especially when trivalent

Variants of ARSENIOUS

ar·se·ni·ous also ar·se·nous \ˈärs-nəs, -ən-əs\

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