D defs.my
Entry 1 sense Webster, 1913

Peridotite

· Per·i·do·tite · IPA /pəˈɹɪd.əˌtaɪt/
01 n. An eruptive rock characterized by the presence of chrysolite (peridot). It also usually contains pyroxene, enstatite, chromite, etc. It i…
  1. 1.
    An eruptive rock characterized by the presence of chrysolite (peridot). It also usually contains pyroxene, enstatite, chromite, etc. It is often altered to serpentine.(Min.)