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Meaning of euxenite

eux•e•nite

Pronunciation: (yk'su-nīt"), [key]
— n.
  1. a rare, brownish-black mineral of complex composition, an oxide of calcium, cerium, yttrium, columbium, titanium, and uranium.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.