放ほう射しゃ照しょう度ど

noun

irradiance

Technical term in physics and optics; the radiant flux received by a surface per unit area.

• 放ほう射しゃ照しょう度どはワット毎まい平へい方ほうメートルで表あらわされる。

  Irradiance is expressed in watts per square meter.