Hygrometry is the measurement of humidity in the air. It is an important metric for weather forecasting and control of various manufacturing processes. There are a number of synonyms for the term Hygrometry, such as Hygrometry, humidity measurement, hygroscopy, dew point measurement, and atmospheric moisture measurement. Each of these synonyms describes the process and techniques used for measuring the amount of moisture or humidity in the air or a material. Additionally, the field of hygrometry includes various instruments and devices, such as psychrometers, hygrometers, and dew point sensors, that are used to measure or detect the presence of moisture in a given environment.