incandescent

Etymology

Borrowed from French incandescent, from Latin incandescens, from incandesco (“be heated, glow”), from in- (intensifying prefix) + candesco (“become white”), from candidus (“white”).

adj

1. Emitting light as a result of being heated.
   We will all go together when we go / All suffused with an incandescent glow 1959, Tom Lehrer (lyrics and music), “We Will All Go Together When We Go”
2. Shining very brightly.
   Those multitoned buttes and mesas [of the Grand Canyon], and that incandescent sequence of colorful bands that make one of the natural wonders of the world so grand, can also be found over 100 million miles away [on Mars]. 27 November 2013, John Grotzinger, “The world of Mars [print version: International Herald Tribune Magazine, 2013, p. 36]”, in The New York Times
3. (figurative) Showing intense emotion, as of a performance, etc.

noun

1. An incandescent lamp or bulb
   Compact fluorescents are typically rated at 7,500 to 10,000 hours, and incandescents at about 1,500 hours. March 1, 2007, Matthew L. Wald, “Room to Improve”, in New York Times