Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun rare-earth_element

1 sense of rare-earth element

Sense 1
rare earth, rare-earth element, lanthanoid, lanthanide, lanthanon -- (any element of the lanthanide series (atomic numbers 57 through 71))
       => group, grouping -- (any number of entities (members) considered as a unit)