A thermometer is a device that measures temperature (the hotness or coldness of an object) or temperature gradient (the rates of change of temperature in space).

Jan 20, 2026 · There are two types of thermometers. Contact thermometers must touch the body to measure temperature. Contactless thermometers can measure body temperature without touching …

5 days ago · Thermometer, instrument for measuring the temperature of a system. Temperature measurement is important to a wide range of activities, including manufacturing, scientific research, …

Thermometers are used in everything from medicine to cooking. Find out how thermometers gauge temperature and learn how to make your own!

Jun 13, 2022 · Thermometers are simple scientific instruments based on the idea that metals change their behavior in a very precise way as they get hotter (gain more heat energy).

Oct 19, 2023 · A thermometer is a device used for measuring temperature. This ice-covered thermometer shows that the temperature is about 0 degrees Celsius, or 32 degrees Fahrenheit.

A thermometer is a scientific instrument used to measure temperature or a temperature gradient. The working principle of most common thermometers is based on the thermal expansion of substances.

A thermometer is a device that measures temperature or a temperature gradient (the degree of hotness or coldness of an object). It consists of two parts: a means to measure temperature (e.g., mercury) …

/ θərˈmɑm·ɪ·t̬ər / Add to word list a device used for measuring temperature, esp. of the air or in a person’s body (Definition of thermometer from the Cambridge Academic Content Dictionary © …

An instrument used to measure temperature. There are many types of thermometers; the most common consist of a closed, graduated glass tube in which a liquid expands or contracts as the temperature …