放ほう射しゃ冷れい却きゃく

noun

radiative cooling; radiational cooling

A meteorological term referring to the cooling of the Earth's surface and air near the ground due to longwave radiation emission, especially on clear, calm nights.

• 今こん夜やは放ほう射しゃ冷れい却きゃくで冷ひえ込こむでしょう。