Thermophysical is a term that generally refers to the study of the physical properties and behavior of materials in relation to temperature changes. Some synonyms for thermophysical could include words such as thermochemical, thermodynamic, thermal, or even simply heat-related. Other related terms might include thermal conductivity, specific heat, phase transitions, or thermal expansion. Depending on the specific context in which the term is being used, there may be additional, more specialized synonyms or related words that could be used to accurately convey the intended meaning. Regardless of the specific words chosen, however, the underlying concept of studying the properties of materials in relation to temperature changes remains the same.