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cerium metals

British  

plural noun

  1. the metals lanthanum, cerium, praseodymium, neodymium, promethium, and samarium, forming a sub-group of the lanthanides

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Gadolinite, gad′ō-lin-īt, n. a silicate of the yttrium and cerium metals, containing also beryllium and iron.

From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various

The mineral is associated with quartz, dolomite, pyrites, and the rare mineral called “parisite”—a fluo-carbonate of the cerium metals, occurring in brownish-yellow hexagonal crystals, and named after J.J.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various

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