peridotite

play
noun pe·ri·do·tite \pə-ˈri-də-ˌtīt\

Definition of peridotite

  1. :  any of a group of granular igneous rocks composed of ferromagnesian minerals and especially olivine

peridotitic

play \pə-ˌri-də-ˈti-tik\ adjective

Origin and Etymology of peridotite

French péridotite, from péridot


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