phosphorescence

plural phosphorescences

1. countableuncountableThe emission of light without any perceptible heat; the quality of being phosphorescent.

   For a moment she saw the coast of Sumatra edged by the phosphorescence of waves, and crowned by lighthouses, still sending forth their disregarded beams.

   1909, E.M. Forster, “I”, in The Machine Stops

   2 more examples

   Mr. Nott proceeded to say that "since the discovery of Photography, there is, perhaps, no branch of electrical physics more interest­ing than that which comprehends the pheno­mena of phosphorescence."

   1846, (unknown), “On the Theory of Photographic Action”, in Scientific American, volume 2, number 13, page 104

   We saw a round red sun rise over the City, paint the glassy towers with phosphorescence and, as it brightened and lost its shape, sprinkle across the sky feathers of pink and lilac.

   2002, Barbara Vine, Grasshopper, page 138