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RARE-EARTH ELEMENT
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Dictionary entry overview: What does rare-earth element mean?
• RARE-EARTH ELEMENT (noun)
The noun RARE-EARTH ELEMENT has 1 sense:
1. any element of the lanthanide series (atomic numbers 57 through 71)
Familiarity information: RARE-EARTH ELEMENT used as a noun is very rare.
Dictionary entry details
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 element" 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 element"):
terbium metal (a separate group of related lanthanides, including terbium, europium, gadolinium, and sometimes dysprosium)
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