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Definition of Lanthanide
1. Noun. Any element of the lanthanide series (atomic numbers 57 through 71).
Exact synonyms: Lanthanoid, Lanthanon, Rare Earth, Rare-earth Element
Generic synonyms: Group, Grouping
Specialized synonyms: Terbium Metal
Generic synonyms: Group, Grouping
Specialized synonyms: Terbium Metal
Definition of Lanthanide
1. Noun. (chemistry) Any 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. ¹
¹ Source: wiktionary.com
Definition of Lanthanide
1. [n -S]