WordReference Random House Unabridged Dictionary of American English © 2026
man•ga•nous
(mang′gə nəs, man gan′əs, mang-),USA pronunciation adj. [Chem.]
- Chemistrycontaining bivalent manganese.
- mangan(ese) + -ous 1815–25
'manganous' also found in these entries (note: many are not synonyms or translations):