/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 ]
/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 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012