[ ih-troh-tan-tl-ahyt ]
/ ˌɪ troʊˈtæn tlˌaɪt /


a mineral, tantalite and niobate of yttrium and various elements, as iron, and cerium, occurring in the form of brown-black crystals.

Origin of yttrotantalite

1800–10; yttro- (combining form of yttrium) + tantalite Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for yttrotantalite