Lewis base
noun
,
Chemistry
1.
any substance capable of forming a covalent bond with an acid by transferring a pair of electrons to it.
Origin
1960-65;
named after G. N.
Lewis
British Dictionary definitions for
Lewis base
Lewis base
noun
1.
a substance capable of donating a pair of electrons to an acid to form a covalent bond
Compare
Lewis acid
Word Origin
C20: named after G. N.
Lewis
(1875–1946), US chemist