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binary operation
This term is a technical expression used primarily in mathematics, specifically within abstract algebra and set theory. It describes a rule for combining two elements of a set to produce a third element of that same set, a property known as closure. Common examples include addition and multiplication on the set of real numbers.
In a computational or computer science context, the term is often distinguished from bitwise operations. While a binary operation in mathematics refers to the number of operands (two), in computing, binary often refers to the base-2 numbering system. Users should ensure the context is mathematical to avoid confusion with binary logic gates or binary data processing.