percival lowell Percival • perclose · · · Info · Definitions · Characters · · percival lowell · · Text Common · · Latin · · Scripts 15 · · Length 5 · · Syllables Definitions · · · (noun) United States astronomer whose studies of Mars led him to conclude that Mars was inhabited (1855-1916). Synonyms: Lowell, Percival Lowell. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 v latin small letter v U+0076 w latin small letter w U+0077