Wordnet 3.0
NOUN (1)
1.
a reddish-brown mineral containing rare earth metals;
an important source of thorium and cerium;
The Collaborative International Dictionary of English v.0.48:
Monazite \Mon"a*zite\ (m[o^]n"[.a]*z[imac]t), n. [From Gr.
mona`zein to be solitary, in allusion to its isolated
crystals.] (Min.)
A mineral occurring usually in small isolated crystals, -- a
phosphate of the cerium metals.
[1913 Webster]
WordNet (r) 3.0 (2006):
monazite
n 1: a reddish-brown mineral containing rare earth metals; an
important source of thorium and cerium