LUMINESCENT /luːmɪˈnɛs(ə)nt/ Scrabble 15 Words With Friends 21 Scrabble letter values: L1U1M3I1N1E1S1C3E1N1T1 = 15 Definition adjective emitting light not caused by heat. See all 527 words you can make from LUMINESCENT → 11-letter words Words starting with L Words ending with T ← Unscramble different letters