infix notation infixion • inflame · · · Info · Definitions · Characters · · infix notation · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) a notation for forming mathematical expressions using parentheses and governed by rules of operator precedence; operators are dispersed among the operands. Synonyms: infix notation. · · Noun Definition 1 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 t latin small letter t U+0074 x latin small letter x U+0078