flash photolysis

noun

, Chemistry.

1. the study of photochemical reaction mechanisms in gases by analyzing spectroscopically the reaction products in a gas mixture irradiated with a powerful light flash.

flash photolysis

noun

1. physics a technique for producing and investigating free radicals. A low-pressure gas is subjected to a flash of radiation to produce the radicals, subsequent flashes being used to identify them and assess their lifetimes by absorption spectroscopy

Word History and Origins

Origin of flash photolysis¹

First recorded in 1945–50