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nonmetal

[non-met-l] /nɒnˈmɛt l/
noun, Chemistry
1.
an element not having the character of a metal, as carbon or nitrogen.
2.
an element incapable of forming simple positive ions in solution.
Origin of nonmetal
1865-1870
1865-70; non- + metal
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for non-metal

nonmetal

/nɒnˈmɛtəl/
noun
1.
any of a number of chemical elements that form negative ions, have acidic oxides, and are generally poor conductors of heat and electricity
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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Word Origin and History for non-metal

also nonmetal, 1866, from non- + metal. Related: Non-metallic (1815).

Online Etymology Dictionary, © 2010 Douglas Harper
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