Monazite

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]



From WordNet (r) 2.0 [wn]:

  monazite
       n : a reddish-brown mineral containing rare earth metals; an
           important source of thorium and cerium