Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
lex talionis
lexeme
lexica
lexical
lexical meaning
lexicalize
lexicog.
lexicography
lexicology
lexicon
lexigraphy
Lexington
lexis
ley
ley farming
ley line
Leyden
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

Lewis base

Lew·is base (plural Lew·is bas·es)


noun 
Definition:
 
1. substance donating electrons for bond: a substance that can donate a pair of electrons to an acid to form a covalent bond

2. substance that donates electron pair: a substance that donates an electron pair to an acid during the formation of a covalent bond

[Mid-20th century. After Gilbert Newton Lewis]
Advertisement

© 2009 Microsoft