Definition of luminescent in US English:

luminescent

adjective

  • See luminescence

    • ‘The terms fluorescence and phosphorescence refer to specific characteristics of luminescent transitions.’
    • ‘Fluorescence and phosphorescence are two similar luminescent phenomena.’
    • ‘Those shells contain napalm and leave traces of luminescent phosphorus on the site of detonation.’
    • ‘A person could place his hand in an x-ray beam before a luminescent screen and view his own bones through a hooded visor.’
    • ‘The basis for this power is the development of stable and sensitive analysis devices and fluorescent and luminescent probes.’

Pronunciation

luminescent

/ˌlo͞oməˈnes(ə)nt//ˌluməˈnɛs(ə)nt/