Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

degree–day

play
noun de·gree–day \di-ˈgrē-ˌdā\

Definition of degree–day

  1. :  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



1832

First Known Use of degree–day

1832


Seen and Heard

What made you want to look up degree–day? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a very small amount

Get Word of the Day daily email!