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plumbous

[pluhm-buh s] /ˈplʌm bəs/
adjective, Chemistry
1.
containing bivalent lead.
Origin
1675-1685
1675-85; < Latin plumbōsus. See plumb, -ous
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for plumbous

plumbous

/ˈplʌmbəs/
adjective
1.
of or containing lead in the divalent state
Word Origin
C17: from Late Latin plumbōsus full of lead, from Latin plumbum lead
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for plumbous
adj.

1680s, "leaden;" 1854 in chemistry sense, "containing lead" (especially in a low valence), from Latin plumbosus "full of lead," from plumbum (see plumb (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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