D defs.my
Entry 1 sense Webster, 1913

Diopside

· Di·op·side · IPA /daɪˈɑpsaɪd/
01 n. A crystallized variety of pyroxene, of a clear, grayish green color; mussite.
  1. 1.
    A crystallized variety of pyroxene, of a clear, grayish green color; mussite.(Min.)