noun
dew prevention; condensation prevention
Technical term used in engineering, construction, and product design for measures that stop moisture from condensing on surfaces.
この窓ガラスには防露加工が施されている。
This window glass has been treated to prevent condensation.
防露ヒーターでカメラのレンズの曇りを防ぐ。
A dew prevention heater keeps the camera lens from fogging up.