Talk:Luminescence
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Current definition: "a general term for the emission of electromagnetic radiation at a different wavelength than that at which it is absorbed" is taken (slightly changed) from: http://scienceworld.wolfram.com/physics/Luminescence.html , but I think it's wrong. I've checked in a few other sources (eg. dict.org, Britannica), and lumincescence is only light emission (not any EM radiation) and nothing has to be absorbed (eg. in bioluminescence). Wojdyr 20:12, 29 July 2005 (UTC)