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lanthanum

lan·tha·num
L l

Transcription

    • US Pronunciation
    • US IPA
    • [lan-thuh-nuh m]
    • /ˈlæn θə nəm/
    • US Pronunciation
    • US IPA
    • [lan-thuh-nuh m]
    • /ˈlæn θə nəm/

Definitions of lanthanum word

  • noun lanthanum a rare-earth, trivalent, metallic element, allied to aluminum, found in certain minerals, as monazite. Symbol: La; atomic weight: 138.91; atomic number: 57; specific gravity: 6.15 at 20°C. 1
  • noun lanthanum The chemical element of atomic number 57, a silvery-white rare earth metal. 1
  • noun lanthanum chemical element 1
  • noun lanthanum a silvery-white ductile metallic element of the lanthanide series, occurring principally in bastnaesite and monazite: used in pyrophoric alloys, electronic devices, and in glass manufacture. Symbol: La; atomic no: 57; atomic wt: 138.9055; valency: 3; relative density: 6.145; melting pt: 918°C; boiling pt: 3464°C 0
  • noun lanthanum a soft, malleable, silvery chemical element, one of the rare-earth elements and the first member of the lanthanide series: symbol, La; at. no., 57 0
  • noun lanthanum (Uncountable Noun) A metallic chemical element (symbol La) with an atomic number of 57. 0

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Parts of speech for Lanthanum

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation

lanthanum popularity

A common word. It’s meaning is known to most children of preschool age. About 82% of English native speakers know the meaning and use the word.
This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

lanthanum usage trend in Literature

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Top questions with lanthanum

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