lanthanide series
noun Chemistry.
the series of rare-earth elements of atomic numbers 57 through 71 (lanthanum through lutetium).
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Origin of lanthanide series
First recorded in 1940–45
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
lanthanide series
noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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