noun py·ro·chlore \ˈpīrəˌklō(ə)r\

Definition of pyrochlore



  1. :  a brown or dark reddish mineral NaCaCb2O6F that is isomorphous with microlite and is an oxide and fluoride of sodium, calcium, and columbium

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Origin and Etymology of pyrochlore

German pyrochlor, from pyr- + Greek chlōros greenish yellow — more at yellow

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to criticize severely

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