WebbA thermometer is a tool that measures temperature — how hot or cold something is. Thermometers are used to see if you have a fever or tell you how cold it is outside. Made up of thermo (heat) and meter (measuring device), the meaning of the word thermometer is pretty straightforward. Webb20 juli 1998 · thermometer, instrument for measuring the temperature of a system. Temperature measurement is important to a wide range of activities, including manufacturing, scientific research, and medical practice. The invention of the … Temperature is measured by an instrument called a thermometer. Most common for … Take these quizzes at Encyclopedia Britannica to test your knowledge on a … pyrometer, device for measuring relatively high temperatures, such as are … thermistor, electrical-resistance element made of a semiconducting material … Other articles where thermography is discussed: thermometer: …mapped, … thermocouple, also called thermal junction, thermoelectric thermometer, or thermel, … Anders Celsius, (born November 27, 1701, Uppsala, Sweden—died April 25, 1744, … Daniel Gabriel Fahrenheit, (born May 24, 1686, Gdańsk, Poland—died September …

The Best Candy and Deep Fry Thermometers Tested

Webb3 jan. 2024 · In 1593, Galileo Galilei invented a rudimentary water thermoscope, which for the first time allowed temperature variations to be measured. Today, Galileo's invention … Webb9 maj 2024 · thermometer. (n.). 1630s, from French thermomètre (1620s), coined by Jesuit Father Jean Leuréchon from Greek thermos "hot" (see thermal) + metron "measure" … eye is red and watering

Temperature Definition, Scales, Units, & Facts Britannica

WebbDefinition – The resistance thermometer or resistance temperature detector (RTD) uses the resistance of electrical conductor for measuring the temperature. The resistance of the conductor varies with the time. … Webb13 juni 2024 · This means that we can define temperature in terms of the expansion of any constant-pressure gas that behaves ideally. In principle, we can measure the same temperature using any gas, so long as the constant operating pressure is low enough. When we do so, our device is called the ideal gas thermometer. Webbthermometer. [ ther-mom´ĕ-ter] an instrument for determining temperatures, in principle making use of a substance (such as alcohol or mercury) with a physical property that … eye is red watery and hurts