tantalous

[ tan-tl-uh s ]

/ ˈtæn tl əs /

adjective Chemistry.

containing trivalent tantalum.

Nearby words

tantalic, tantalic acid, tantalite, tantalize, tantalizing, tantalous, tantalum, tantalus, tantalus monkey, tantamount, tantara

Origin of tantalous

First recorded in 1865–70; tantal(um) + -ous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for tantalous

tantalous

/ (ˈtæntələs) /

adjective

of or containing tantalum in the trivalent state

Word Origin for tantalous

C19: from tantal (um) + -ous

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012