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demantoid

[ dih-man-toid ]
/ dɪˈmæn tɔɪd /
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noun Mineralogy.
a brilliant green variety of andradite garnet, used as a gem.
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Also called Uralian emerald.

Origin of demantoid

1890–95; <German, equivalent to (obsolete) Demantdiamond (<Middle High German diemant<Old French diamant) + -oid-oid
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How to use demantoid in a sentence

British Dictionary definitions for demantoid

demantoid
/ (dɪˈmæntɔɪd) /

noun
a bright green variety of andradite garnet

Word Origin for demantoid

C19: from German, from obsolete Demant diamond, from Old French diamant + -oid
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
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