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

1796, in the meaning defined above

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The first known use of arsenious was in 1796

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More Definitions for arsenious

arsenious

adjective
ar·se·ni·ous | \ är-ˈsē-nē-əs \
variants: also arsenous \ˈärs-nəs, -ᵊn-əs \

Medical Definition of arsenious 

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

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