degree-day
1degree-day — [di grē′dā΄] n. a unit which represents one degree of variation from a standard average daily temperature, used as in determining fuel requirements …
2Degree day — A degree day is a measure of heating or cooling. Totalized degree days from an appropriate starting date are used to plan the planting of crops and management of pests and pest control timing. Weekly or monthly degree day figures may also be used …
3degree-day — ̷ ̷ˈ ̷ ̷| ̷ ̷ noun : a unit that represents one degree of declination from a given point (as 65°) in the mean outdoor temperature of one day and is often used in measuring fuel requirements of buildings * * * /di gree day /, n. Engin. one degree …
4Degree Day — A unit for measuring the extent that the outdoor daily average temperature (the mean of the maximum and minimum daily dry bulb temperatures) falls below (in the case of heating, see Heating Degree Day), or falls above (in the case of cooling,… …
5degree-day — /di gree day /, n. Engin. one degree of departure, on a single day, of the daily mean temperature from a given standard temperature. Abbr.: dd Also, degree day. Cf. cooling degree day, growing degree day, heating degree day. [1925 1930] * * * …
6degree day — Term created to assess and acknowledge expected demand for energy. A degree day value is the difference between a day s average temperature and a previously set temperature ( in the U.S., 65 degrees Fahrenheit). Degree days above 65 degrees are… …
7degree-day — de•gree day [[t]dɪˈgriˌdeɪ[/t]] n. mer one degree of departure, on a single day, of the daily mean temperature from a given standard temperature …
8degree day — (deg da) a unit used in meteorology and engineering to measure the demand for heating or cooling. In the United States, it s agreed that 65 °F (18.3 °C) is the critical outside temperature; below this tempeature heating is needed and above it… …
9degree day — see day degree …
10degree-day — Unit that represents one degree of difference from inside temperature and the average outdoor temperature for one day; often used in estimating fuel requirements for a building …