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2017 Word of the Year

Lewis acid

noun, Chemistry.
1.
any substance capable of forming a covalent bond with a base by accepting a pair of electrons from it.
Origin of Lewis acid
1940-1945
First recorded in 1940-45; named after G. N. Lewis
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for Lewis acid

Lewis acid

noun
1.
a substance capable of accepting a pair of electrons from a base to form a covalent bond Compare Lewis base
Word Origin
C20: named after G. N. Lewis (1875–1946), US chemist
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 Value for Lewis

8
9
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