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cerous

[seer-uh s] /ˈsɪər əs/
adjective, Chemistry
1.
containing trivalent cerium.
Origin
1860-1865
1860-65; cer(ium) + -ous
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for cerous

cerous

/ˈsɪərəs/
adjective
1.
of or containing cerium in the trivalent state
Word Origin
C19: from cerium + -ous
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
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