'Jadeite' definitions:

Definition of 'jadeite'

(from WordNet)
noun
A hard green mineral consisting of sodium aluminum silicate in monoclinic crystalline form; a source of jade; found principally in Burma

Definition of 'Jadeite'

From: GCIDE
  • Jadeite \Jade"ite\, n. (Min.) See Jade, the stone. [1913 Webster]