postfix notation postfixial • postflection · · · Info · Definitions · Synonyms · Characters · · postfix notation · · Text Common · · Latin · · Scripts 16 · · Length 5 · · Syllables Definitions · · · (noun) a parenthesis-free notation for forming mathematical expressions in which each operator follows its operands. Synonyms: postfix notation, suffix notation, reverse Polish notation. · · Noun Definition 1 Synonyms · · · suffix notation · · Synonym 1 reverse polish notation · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 f latin small letter f U+0066 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 x latin small letter x U+0078