rare-earth element love

rare-earth element

Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of the abundant metallic elements of atomic number 57 through 71.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any element of the lanthanide series (atomic numbers 57 through 71)

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[rare earth.]

Examples

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