The term "binary system" can be defined as a type of computer code or language in which data is expressed in ones and zeros. However, there are several synonyms that can be used to describe this concept. One such synonym is "dual system," which refers to a system that operates on two equally important components. Another alternative term is "bipolar system," which is used to describe a system that has two opposite or contrasting elements. Additionally, "binary code," "binary language," and "base-2 system" are some other synonyms that can be used interchangeably with the term "binary system." Regardless of the term used, the binary system is a fundamental concept in computer programming and is essential for modern technology.