pure imaginary number purehearted • pure line · · · Info · Definitions · Characters · · pure imaginary number · · Text Common · · Latin · · Scripts 21 · · Length 8 · · Syllables Definitions · · · (noun) an imaginary number of the form a+bi where a is 0. Synonyms: pure imaginary number. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 u latin small letter u U+0075 y latin small letter y U+0079