LUMINESCENCES

Noun

luminescences

plural of luminescence

Source: Wiktionary


LUMINESCENCE

Lu`mi*nes"cence, n. [See Luminescent.]

1. (Physics) Any emission of light not ascribable directly to incandescence, and therefore occurring at low temperatures, as in phosphorescence and fluorescence or other luminous radiation resulting from vital processes, chemical action, friction, solution, or the influence of light or of ultraviolet or cathode rays, etc.

2. (Zoöl.) (a) The faculty or power of voluntarily producing light, as in the firefly and glowworm. (b) The light thus produced; luminosity; phosphorescence.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

29 November 2024

POPULATED

(adjective) furnished with inhabitants; “the area is well populated”; “forests populated with all kinds of wild life”


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