Cycloisomerize is a technical term that refers to the conversion of a linear molecule into a cyclic one through a chemical reaction. This term is often used in organic chemistry and is specific to a particular type of reaction. However, there are other words that can be used as synonyms for this process, including "cyclize," "ring-close," and "cyclization." These words have a more general connotation and can be applied to a broader range of reactions that involve the formation of a cyclic compound. Regardless of the wording, the concept of turning a straight molecule into a ring-shaped molecule remains an essential process in organic chemistry.