demantoid Meaning, Definition & Usage

  1. noun a green andradite used as a gemstone

WordNet


De*man"toid noun
Etymology
G. demant diamond + -oid.
Definitions
  1. (Min.) A yellow-green, transparent variety of garnet found in the Urals. It is valued as a gem because of its brilliancy of luster, whence the name.

Webster 1913