Definition of radiational in English:

radiational

adjective

  • See radiation

    • ‘When this cloud is present, night-time radiational cooling is much reduced and widespread fog is consequently not usually a problem.’
    • ‘Thick radiational fog has been the cause of many accidents.’
    • ‘As it stagnates, with the days as long as they are, and the short nights, we don't have the radiational cooling and it just goes on and on.’
    • ‘On level sites, radiational cooling rather than cold air drainage is most significant in generating the ‘frost pocket’ phenomenon.’