Definition of a thermometer
WebThe definition of Temperature is a measure of the warmth or coldness of an object or substance with reference to some standard value. The temperature of two systems is the same when the systems are in thermal equilibrium. Abbreviation. See additional meanings and similar words. Webn a temperature scale adopted by international agreement in 1968 based on thermodynamic temperature and using experimental values to define 11 fixed points. The lowest is the triple point of an equilibrium mixture of orthohydrogen and parahydrogen (--259.34°C) and the highest the freezing point of gold (1064.43°C)
Definition of a thermometer
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WebJun 13, 2024 · If our ideal gas thermometer has volume V at thermal equilibrium with some other constant-temperature system, the proportionality of V and T means that. T V = 273.16 V273.16. With the triple point fixed at 273.16 K, experiments find the freezing point of air-saturated water to be 273.15 K when the system pressure is 1 atmosphere. WebTemperature, then, is what determines the direction of heat flow — out of the region with the higher temperature and in to the region with the lower temperature. In more concise terms, heat flows from hot to cold. That's the theoretical definition of temperature. operational definition. Temperature is measured with a thermometer.
WebMay 8, 2024 · Temperature is the property of matter which reflects the quantity of energy of motion of the component particles. It is a comparative measure of how hot or cold a material is. The coldest theoretical temperature is called absolute zero. It is the temperature where the thermal motion of particles is at its minimum (not the same as motionless).
WebThermometer definition: An instrument for measuring temperatures, consisting of a graduated glass tube with a sealed, capillary bore in which mercury, colored alcohol, etc. rises or falls as it expands or contracts with changes in temperature. WebIllustrated definition of Thermometer: An instrument used to measure temperature (how hot or cold a thing is), usually in the Celsius or Fahrenheit scale....
WebDec 28, 2024 · Temperature is a measure of average kinetic energy per molecule in a substance. It is different from heat, though still related. There are many different scales by which you might measure temperature, but the most common ones are the Fahrenheit scale, the Celsius scale and the Kelvin scale.
WebThe temperature above which a material is ductile and below which it is brittle is known as the ductile–brittle transition temperature (DBTT), nil ductility temperature (NDT), or nil ductility transition temperature. This temperature is not precise, but varies according to prior mechanical and heat treatment and the nature and amounts of ... dr rachitskayaWebthermometer: 1 n measuring instrument for measuring temperature Types: show 28 types... hide 28 types... alcohol thermometer , alcohol-in-glass thermometer thermometer consisting of a glass capillary tube marked with degrees Celsius or Fahrenheit and … dr rachna joshiWebthermometer definition: 1. a device used for measuring temperature, especially of the air or in a person's body 2. a device…. Learn more. raspored suđenja okružni sud trebinjeWebMay 4, 2024 · The NIST Thermodynamic Metrology Group supports industry and advances measurement science through an extensive suite of thermometry calibration services as well as research projects aimed at improving the utility for the International Temperature … dr. rachel kaye njWebMay 24, 2024 · Mercury fever thermometers are made of glass the size of a straw, with a silvery-white liquid inside. They are common in many households, schools, and medical facilities. There are two general types of mercury thermometers that measure body temperature: Oral/rectal/baby thermometers, containing about 0.61 grams of mercury. raspored suđenja općinski sud ljubuškiWebMar 29, 2024 · Thermometer: A device used to measure the temperature of gaseous, liquid or solid matter or of a chemical reaction such as fire. Temperature measurement is important to a wide range of activities, including industry, scientific research, and health … dr rachel kaye njWeba thermometer for measuring body temperature that has a constriction in the tube above the bulb preventing movement of the column of liquid… See the full definition Merriam-Webster Logo dr rachita munjal