DEGREE-DAY


Meaning of DEGREE-DAY in English

Pronunciation: di- ' gr ē - ˌ d ā

Function: noun

Date: 1832

: a unit that represents one degree of difference from a given point (as 65°) in the mean daily outdoor temperature and that is used especially to measure heat requirements

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.