flash photolysis

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.

Nearby words

  1. flash lamp,
  2. flash memory,
  3. flash method,
  4. flash mob,
  5. flash photography,
  6. flash picture,
  7. flash point,
  8. flash set,
  9. flash smelting,
  10. flash spectrum

Origin of flash photolysis

First recorded in 1945–50

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for flash photolysis

flash photolysis


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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012