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nounGerman physicist who invented the mercury thermometer and developed the scale of temperature that bears his name (1686-1736)
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of or relating to a temperature scale proposed by the inventor of the mercury thermometer
Definition that contains fahrenheit
- f a degree on the Fahrenheit scale of temperature
- btu a unit of heat equal to the amount of heat required to raise one pound of water one degree Fahrenheit at one atmosphere pressure; equivalent to 251.997 calories
- wood's alloy a fusible alloy that is half bismuth plus lead, tin, and cadmium; melts at about 160 degrees Fahrenheit
- mercury-in-glass thermometer thermometer consisting of mercury contained in a bulb at the bottom of a graduated sealed glass capillary tube marked in degrees Celsius or Fahrenheit; mercury expands with a rise in temperature causing a thin thread of mercury to rise in the tube
- alcohol thermometer thermometer consisting of a glass capillary tube marked with degrees Celsius or Fahrenheit and containing alcohol which rises or falls as it expands or contracts with changes in temperature
- fahrenheit thermometer a thermometer calibrated in degrees Fahrenheit
- british thermal unit a unit of heat equal to the amount of heat required to raise one pound of water one degree Fahrenheit at one atmosphere pressure; equivalent to 251.997 calories
- proof spirit a mixture containing half alcohol by volume at 60 degrees Fahrenheit
- wood's metal a fusible alloy that is half bismuth plus lead, tin, and cadmium; melts at about 160 degrees Fahrenheit
- alcohol-in-glass thermometer thermometer consisting of a glass capillary tube marked with degrees Celsius or Fahrenheit and containing alcohol which rises or falls as it expands or contracts with changes in temperature