Dictionary Entry
lanthanides
Part of SpeechnounAny 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.
Origin
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Common Phrases
. lanthanideslanthanides trivalentlanthanides heavylanthanides light
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Antonyms
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Poetry examples for “lanthanides”
Excerpts from the ReadingWillow English Library collection.
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