dew point

Noun

The temperature at which the air becomes saturated and water vapor condenses to form dew.

Japanese Meaning

露点：空気が飽和し、水蒸気が凝結して露が形成される温度のこと

The dew point dropped below freezing overnight, causing frost to form on the cars.

露点が一晩で氷点下まで下がり、車に霜がつきました。

Sense（1）

The temperature at which the air becomes saturated and water vapor condenses to form dew.

dew points

（ plural ）