RARE EARTH

Pronunciation (US):

(GB):

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)

  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)