infix notation

n.

1.

(Computers) A notation for commands or instructions in which the operator is inserted between the terms on which it operates. Contrasted with prefix notation and postfix notation.

Noun

1.

infix notation - a notation for forming mathematical expressions using parentheses and governed by rules of operator precedence; operators are dispersed among the operands

(language)

infix notation - One of the possible orderings of functions and operands: in infix notation the functions are placed between their operands, such as "1+2". Although infix notation is limited to binary functions most languages mix infix notation with prefix or postfix notation, as a form of syntactic sugar.

mathematical notation