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Lanthanum

nounverified·updated May 18, 2026

a white soft metallic element that tarnishes readily

Framework senses

Wordset Dictionary1 senseview framework →
§1
a white soft metallic element that tarnishes readily
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
a white soft metallic element that tarnishes readily
DR-088 backfill from the noun definition column