What does "binary operation" mean?

Any operation taking two operands.

What is a synonym for "binary operation"?

Common synonyms include: binary arithmetic operation, boolean operation, operation type.

noun

noun ·Rare ·Advanced level

Noun

1
Any operation taking two operands.
"The "four rules" of addition, subtraction, multiplication and division are examples of binary operations."
2
an operation that follows the rules of Boolean algebra; each operand and the result take one of two values wordnet

"The "four rules" of addition, subtraction, multiplication and division are examples of binary operations."