The equality sign, also known as the equals sign, is a symbol used to indicate that two values are equal to each other. However, there are several synonyms for the equality sign that can be used interchangeably, depending on the context. These synonyms include the equivalence sign, the congruence sign, the identity sign, the balance sign, and the sameness sign. Each of these terms can be used to describe the concept of two things being equal or similar in some way, whether it be in mathematics, chemistry, or other fields where equality is important. Ultimately, the choice of synonym will depend on the specific situation and the desired level of precision or clarity.