Lanthanide

noun

/ˈlænθənaɪd/

Word Frequency: 0.1

Definitions

1.nounAny of the 14 rare earth elements from cerium (or from lanthanum) to lutetium in the periodic table; because their outermost orbitals are empty, they have very similar chemistry; below them are the actinides.

Synonyms

-ide lanthanon lanthanate lanthanoid lanthanum rare-earth element rare earth trivalent lanthanite radiolanthanide rare earth element actinide

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