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
Indulge Your Inner Word Nerd
1875
First Known Use of rare earth
1875
Medical Dictionary
rare earth
play
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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