Thermohydrometric is a technical term that refers to the measurement of temperature and moisture in materials, particularly soils. However, there are several synonyms for this term that can be used in its place. One option is to use the word hygrothermometer, which is a device used to measure both temperature and relative humidity. Another synonym is psychrometer, which is used to measure both the humidity and temperature of the air. Moisture meter is another term that is sometimes used to describe devices that measure soil moisture content. Overall, there are several options for synonyms for the word thermohydrometric, which may be more accessible to a wider audience outside of the technical field.