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Fahrenheit temperature scale
(Encyclopedia)Fahrenheit temperature scale fârˈənhītˌ [key], temperature scale in which the temperature difference between two reference temperatures, the melting and boiling points of water, is divided into 1...Rankine temperature scale
(Encyclopedia)Rankine temperature scale, temperature scale having an absolute zero, below which temperatures do not exist, and using a degree of the same size as that used by the Fahrenheit temperature scale. Absol...temperature
(Encyclopedia) CE5 Temperature scales temperature, measure of the relative warmth or coolness of an object. Temperature is measured by means of a thermometer or other instrument having a scale calibrated in unit...Celsius temperature scale
(Encyclopedia)Celsius temperature scale sĕlˈsēəs [key], temperature scale according to which the temperature difference between the reference temperatures of the freezing and boiling points of water is divided ...Kelvin temperature scale
(Encyclopedia)Kelvin temperature scale, a temperature scale having an absolute zero below which temperatures do not exist. Absolute zero, or 0K, is the temperature at which molecular energy is a minimum, and it c...thermometer
(Encyclopedia)thermometer, instrument for measuring temperature. Galileo and Sanctorius devised thermometers consisting essentially of a bulb with a tubular projection, the open end of which was immersed in a liqui...British thermal unit
(Encyclopedia)British thermal unit, abbr. Btu, unit for measuring heat quantity in the customary system of English units of measurement, equal to the amount of heat required to raise the temperature of one pound of...zero
(Encyclopedia)zero, that number which, when added to any number, leaves the latter unchanged; its symbol is 0. The introduction of zero into the decimal system was the most significant achievement in the developmen...absolute temperature scale
(Encyclopedia)absolute temperature scale: see Kelvin temperature scale; temperature. ...centigrade temperature scale
(Encyclopedia)centigrade temperature scale: see Celsius temperature scale. ...Browse by Subject
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