WordReference Random House Unabridged Dictionary of American English © 2026
ar•se•no
(är′sə nō′),USA pronunciation adj. [Chem.]
arseno-,
- Chemistrycontaining the arseno group.
- adjective, adjectival use of arseno-
arseno-,
- Chemistrya combining form representing arsenic or arseno group in the formation of compound words:arsenopyrite.
- arsen(ic) + -o-
'arseno' also found in these entries (note: many are not synonyms or translations):