Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of peridotite is as below...

Peridotite :: Peridotite (n.) An eruptive rock characterized by the presence of chrysolite (peridot). It also usually contains pyroxene, enstatite, chromite, etc. It is often altered to serpentine..

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