planck plancier • Planckian · · · Info · Definitions · Characters · · planck · · Text Latin · · Script 6 · · Length 1 · · Syllables Definitions · · · (noun) German physicist whose explanation of blackbody radiation in the context of quantized energy emissions initiated quantum theory (1858-1947). Synonyms: Planck, Max Planck, Max Karl Ernst Ludwig Planck. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 k latin small letter k U+006B l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070