photolysis noun. [fǝ(ʊ)'tɒlɪsɪs] Pl. -lyses [-lɪsi:z]. E20.
[from PHOTO- + -LYSIS.]
Chemistry. Decomposition or dissociation of molecules by the action of light; an instance of this.
flash photolysis: see FLASH noun².

■ photo'lytic adjective produced by or involving photolysis M20.

■ photo'lytically adverb by means of or as regards photolysis M20.

[TahlilGaran] English Dictionary ▲