flash photolysis

American

noun

Chemistry.

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 British

noun

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

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Etymology

Origin of flash photolysis

First recorded in 1945–50

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023