Term Name:	Lewis base
Synonyms:	base de Lewis, donneur d'une paire d'electrons, electron donor, Lewis base, Lewis-Base
Definition:	A molecular entity able to provide a pair of electrons and thus capable of forming a covalent bond with an electron-pair acceptor (Lewis acid), thereby producing a Lewis adduct.
Ontology:	ChEBI [CHEBI:39144]  ( EBI )