dumortierite

[ doo-mawr-tee-uh-rahyt, dyoo- ]
/ duˈmɔr ti əˌraɪt, dyu- /

noun

a mineral, aluminum borosilicate.

Nearby words

  1. dummy run,
  2. dummy variable,
  3. dumont,
  4. dumont d'urville,
  5. dumont d'urville, jules sébastien césar,
  6. dump,
  7. dump bin,
  8. dump on,
  9. dump orbit,
  10. dump scow

Origin of dumortierite

1880–85; < French, named after Eugène Dumortier, 19th-century French paleontologist; see -ite1

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


British Dictionary definitions for dumortierite

dumortierite

/ (djuːˈmɔːtɪəˌraɪt) /

noun

a hard fibrous blue or green mineral consisting of hydrated aluminium borosilicate. Formula: Al 7 O 3 BO 3 (SiO 4) 3

Word Origin for dumortierite

C19: named after Eugène Dumortier, 19th-century French palaeontologist who discovered it

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