- any substance capable of forming a covalent bond with an acid by transferring a pair of electrons to it.
Origin of Lewis base
First recorded in 1960–65; named after G. N. Lewis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a substance capable of donating a pair of electrons to an acid to form a covalent bondCompare Lewis acid
Word Origin for Lewis base
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