…electrical fluctuations arising from the random thermal motion of electrons…
…a sudden temperature fluctuation causing stress in an object or substance…
…the technique of using the heat given off by an object to produce an image of it or to locate it…
…a printer in which fine heated pins form characters on heat-sensitive paper…
…the number of heat units needed to raise the temperature of a body by one degree…
…the efficiency of a heat engine measured by the ratio of the work done by it to the heat supplied to it…
…the thermal conductivity of a substance divided by the product of its density and its specific heat capacity…
…the amount of heat needed to raise 1 lb of water at maximum density through one degree Fahrenheit, equivalent to 1.055 × 103 joules…
…a contraceptive method based on the monitoring of a woman’s body temperature and of physical symptoms related to ovulation, enabling awareness of the time of the month at which sexual intercourse is most likely to lead to pregnancy…
…a process of breaking down complex hydrocarbons in an oxygen-deprived, heated and pressurized environment to yield simpler compounds that can be used to produce fuels…
…a reversal of the normal decrease of air temperature with altitude, or of water temperature with depth…
…a reversal of the normal decrease of air temperature with altitude, or of water temperature with depth…
…the rate at which heat passes through a specified material, expressed as the amount of heat that flows per unit time through a unit area with a temperature gradient of one degree per unit distance…
