xenotime Meaning, Definition & Usage

  1. noun a brown-to-yellow mineral that is a phosphate of yttrium in crystalline form

WordNet

Xen"o*time noun
Etymology
Gr. honoring guests or strangers; xe`nos guest, stranger + honor: cf. G. xenotim.
Definitions
  1. (Min.) A native phosphate of yttrium occurring in yellowish-brown tetragonal crystals.

Webster 1913