Amphierotic, which means having both acidic and basic properties, is a term that is commonly used in chemistry. However, there are several synonyms for this word that can be used interchangeably. One such synonym is amphoteric, which is often used to describe substances that can act as either an acid or a base depending on the conditions in which they are used. Other synonyms for amphierotic include dipolar, ambivalent, and equivocal. Each of these words conveys the idea of having two opposing or contradictory properties, which is what makes amphierotic substances so unique and interesting to study in chemistry.