tantalous

[ tan-tl-uh s ]
/ ˈtæn tl əs /

adjective Chemistry.

containing trivalent tantalum.

Nearby words

  1. tantalic,
  2. tantalic acid,
  3. tantalite,
  4. tantalize,
  5. tantalizing,
  6. tantalum,
  7. tantalus,
  8. tantalus monkey,
  9. tantamount,
  10. 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