lanthanoid

L1A1N1T1H4A1N1O1I1D2
/ˈlænθənɔɪd/

noun

Synonym of lanthanide.

Similar
lanthaniderare earthrare-earth elementlanthanon
Scrabble 14
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Meanings

nounlanthanoid (plural lanthanoids)

plural lanthanoids

  1. chemistrySynonym of lanthanide.

    Synonyms: lanthanide

Synonyms & antonyms

nounSynonym of lanthanide.

Similar
lanthanide

More synonyms by meaning

nounany element of the lanthanide series (atomic numbers 57 through 71)

Similar
rare earthrare-earth elementlanthanidelanthanon
Broader
groupgrouping
Also see
lanthaniderare earth

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From lanthanum + -oid.

Full word history & related roots →
Cite this entry
APA

lanthanoid. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/lanthanoid

MLA

“lanthanoid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lanthanoid. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “lanthanoid,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/lanthanoid.

Source: lanthanoid on Wiktionary, CC BY-SA 4.0.