rare earth

noun

Definition of rare earth

1 :any of a group of similar oxides of metals or a mixture of such oxides occurring together in widely distributed but relatively scarce minerals

Recent Examples of rare earth from the Web

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First Known Use of rare earth

1875


Medical Dictionary

rare earth

noun \ ˌrer-ˈərth \

medical Definition of rare earth

1 :any of a group of similar oxides of metals or a mixture of such oxides occurring together in widely distributed but relatively scarce minerals

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