English Dictionary

RARE EARTH

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IPA (US): 

 Dictionary entry overview: What does rare earth mean? 

RARE EARTH (noun)
  The noun RARE EARTH has 1 sense:

1. any element of the lanthanide series (atomic numbers 57 through 71)play

  Familiarity information: RARE EARTH used as a noun is very rare.


 Dictionary entry details 


RARE EARTH (noun)


Sense 1

Meaning:

Any element of the lanthanide series (atomic numbers 57 through 71)

Classified under:

Nouns denoting substances

Synonyms:

lanthanide; lanthanoid; lanthanon; rare-earth element; rare earth

Hypernyms ("rare earth" is a kind of...):

group; grouping (any number of entities (members) considered as a unit)

Hyponyms (each of the following is a kind of "rare earth"):

terbium metal (a separate group of related lanthanides, including terbium, europium, gadolinium, and sometimes dysprosium)


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