ENGLISH DICTIONARY

Lanthanide

Definition & Meaning

Pronunciation /ˈlænθənaɪd/ · Part of speech noun

Quick meaning: Lanthanide is a noun meaning (chemistry) Any of the 15 rare earth elements from lanthanum to lutetium in the periodic table; because their outermost orbitals are not filled, they have very similar chemistry; below them are the actinides.

Meaning

(chemistry) Any of the 15 rare earth elements from lanthanum to lutetium in the periodic table; because their outermost orbitals are not filled, they have very similar chemistry; below them are the actinides.

More Meanings

  1. (chemistry) Any of the 14 rare earth elements from lanthanum to ytterbium (lutetium is excluded by some authors as it is a d-block rather than an f-block element).
  2. (chemistry, dated) Any of the 14 rare earth elements from cerium to lutetium (lanthanum having been excluded because it was thought to be a d-block element in the past).

Word Forms

Synonyms for lanthanide

Depending on context, synonyms include lanthanate, lanthanoid.

Related Words

Related dictionary entries include trivalent, lanthanoid, lanthanite, radiolanthanide, lanthanate, actinide.

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Sources & Attribution

FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0

Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.