degree-day

英[dɪ'griː'deɪ] 美[dɪ'griː'deɪ]
  • n.户外每日平均温度之单位
  • degree n.学位;程度;度数
  • wheel n.方向盘;车轮;旋转;周期vi.旋转;转动;改变方向vt.用车运;转动;给...装轮子
名词 degree day:
  1. the day on which university degrees are conferred

  2. a unit used in estimating fuel requirements for heating a building