WordReference Random House Unabridged Dictionary of American English © 2026
bast•naes•ite
(bast′nə sīt′),USA pronunciation n.
- Mineralogya rare-earth mineral, fluorocarbonate of lanthanum and cerium, with a waxy-yellow to reddish-brown color, commonly associated with zinc ores.
- see -ite1 named after Bastnäs, mine in Sweden
'bastnaesite' also found in these entries (note: many are not synonyms or translations):