noun re·fin·ery \ri-ˈfī-nə-rē, -ˈfīn-rē\

: a place where the unwanted substances in something (such as oil or sugar) are removed : a place where something is refined

plural re·fin·er·ies

Full Definition of REFINERY

:  a building and equipment for refining or processing (as oil or sugar)

First Known Use of REFINERY

circa 1741
REFINERY Defined for Kids


noun re·fin·ery \ri-ˈfī-nə-rē\
plural re·fin·er·ies

Definition of REFINERY for Kids

:  a building and equipment where something (as oil or metal) is made pure and ready for use


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