Dimidiated is a rare and specific term that means 'cut in half' or 'divided into two equal parts'. However, there are several synonyms that can be used in its place to convey a similar meaning. Alternatives include halved, bisected, divided, split, separated, cut in two and cleaved. These words can be used in various contexts such as biology, geometry or everyday life situations. For example, a biologist might use the term bisected to describe a cell that has been cut into two equal parts for analysis. In general conversation, halved or split can be used to describe a shared bill or splitting a sandwich in two.