harold clayton urey harold clayton lloyd • harold harefoot · · · Info · Definitions · Characters · · harold clayton urey · · Text Common · · Latin · · Scripts 19 · · Length 7 · · Syllables Definitions · · · (noun) United States chemist who discovered deuterium (1893-1981). Synonyms: Urey, Harold Urey, Harold Clayton Urey. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079