lanthanum
noun
lan·tha·num
ˈlan(t)-thə-nəm 
: a white soft malleable metallic element that occurs in rare-earth minerals see Chemical Elements Table
Examples of lanthanum in a Sentence
Recent Examples on the Web
The aquatic plant contains the elements platinum and rhodium, along with rare-earth elements like neodymium, lanthanum, yttrium and dysprosium.
—
Devika Rao, theweek, 22 May 2024
Since 2015 a working group at the International Union of Pure and Applied Chemistry has been refereeing a debate over which elements should go in the third column of the table: lanthanum and actinium (elements 57 and 89) or lutetium and lawrencium (71 and 103).
—Stephanie Pappas, Scientific American, 14 May 2024
At present, the ‘hottest’ superconductor of any kind is considered to be lanthanum decahydride, a member of the super-hydride class that is proven to be a high-pressure, conventional superconductor at temperatures of up to at least 250 kelvin.
—Davide Castelvecchi, Scientific American, 17 Nov. 2023
To make the first one, lanthanum, start with a barium atom and add one proton and one electron.
—Stanley Merzman, Discover Magazine, 21 Aug. 2018
See all Example Sentences for lanthanum 
Devika Rao, theweek, 22 May 2024
Since 2015 a working group at the International Union of Pure and Applied Chemistry has been refereeing a debate over which elements should go in the third column of the table: lanthanum and actinium (elements 57 and 89) or lutetium and lawrencium (71 and 103).
—Stephanie Pappas, Scientific American, 14 May 2024
At present, the ‘hottest’ superconductor of any kind is considered to be lanthanum decahydride, a member of the super-hydride class that is proven to be a high-pressure, conventional superconductor at temperatures of up to at least 250 kelvin.
—Davide Castelvecchi, Scientific American, 17 Nov. 2023
To make the first one, lanthanum, start with a barium atom and add one proton and one electron.
—Stanley Merzman, Discover Magazine, 21 Aug. 2018
See all Example Sentences for lanthanum
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“Lanthanum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lanthanum. Accessed 17 Sep. 2024.
Copy CitationKids Definition
lanthanum
noun
lan·tha·num
ˈlan(t)-thə-nəm
: a white soft metallic element see element
Medical Definition
lanthanum
noun
lan·tha·num
-nəm
: a white soft malleable metallic element that occurs in rare-earth minerals
—symbol La
see Chemical Elements Table
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