noun Physics, Chemistry.
a molecule or group of molecules that emits light when illuminated.
Origin of luminophore
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
An atom or atomic grouping that when present in an organic compound increases the ability of the compound to luminesce.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.