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Webster 1913 Edition

Adj.

Of or pertaining to, or containing, arsenic;

as,

arsenical

vapor;

arsenical

wall papers.

Arsenical silver

an ore of silver containing arsenic.

Adj.

Belonging to arsenic; consisting of or containing arsenic.

See also: arsenical

arsénical m ‎(feminine singular arsénicale, masculine plural arsénicaux, feminine plural arsénicales)