Lanthanoid

//ˈlænθənɔɪd// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Synonym of lanthanide.
  2. 2
    any element of the lanthanide series (atomic numbers 57 through 71) wordnet

Synonyms

All synonyms
lanthanidelanthanidelanthanonrare earthrare earthrare-earth element

Etymology

From lanthanum + -oid.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.