Mesogens are molecules that have a unique structure, making them important in many areas of science, including liquid crystal research and drug development. There are multiple synonyms that can be used in place of the word mesogen, including Liquid crystalline molecule, Liquid crystal-forming molecule, and Mesomorphic compound. These synonyms are frequently used interchangeably with mesogen and can be found in various literature on the subject. Other synonyms that may be used include lyotropic mesogen, discotic molecule, and columnar liquid crystalline molecule. It is essential to understand these synonyms while conducting research in the field of liquid crystal chemistry and material science.