degree day
degree day noun: a measure of heating or cooling, computed as the integral of a function of time that generally varies with temperature.
Noun
degree day (plural degree days)
- A measure of heating or cooling, computed as the integral of a function of time that generally varies with temperature.
- 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.
Forms of degree day
| plural | degree days |
|---|
Words formed from degree day
- cooling degree day
- heating degree day
Questions about degree day
- What does degree day mean?
- Degree day means a measure of heating or cooling, computed as the integral of a function of time that generally varies with temperature.
- What part of speech is degree day?
- Degree day is a noun.
- What is the plural of degree day?
- The plural of degree day is degree days.
Words near degree day in the dictionary
Source and license
Adapted from Wiktionary: degree day (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “degree day.” Word.ws, https://word.ws/degree_day. Based on Wiktionary, CC BY-SA 4.0.