WordReference Random House Unabridged Dictionary of American English © 2026
co•bal•tite
(kō bôl′tīt, kō′bôl tīt′),USA pronunciation n.
- Mineralogya mineral, cobalt arsenic sulfide, CoAsS, silver-white with a reddish tinge: an end member of a series of solid solutions that includes gersdorffite;
used as an ore of cobalt.
- cobalt + -ite1 1865–70
'cobaltite' also found in these entries (note: many are not synonyms or translations):