degree day

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See also: degree-day

English

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Noun

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degree day (plural degree days)

  1. A measure of heating or cooling, computed as the integral of a function of time that generally varies with temperature.
  2. A unit used in estimating the fuel consumption for a building; equal to the number of degrees that the mean temperature, for a 24-hour day, is below the base temperature, often 65F.

Derived terms

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