lanthanum

noun lan·tha·num \ ˈlan(t)-thə-nəm \

Definition of lanthanum

: a white soft malleable metallic element that occurs in rare-earth minerals — see Chemical Elements Table

Recent Examples of lanthanum from the Web

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Origin and Etymology of lanthanum

New Latin, from Greek lanthanein to escape notice — more at latent


Medical Dictionary

lanthanum

noun lan·tha·num \ -nəm \

medical Definition of lanthanum

: a white soft malleable metallic element that occurs in rare-earth minerals symbol La — see Chemical Elements Table

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