What Is Frost?
Ice crystals that form on surfaces on cold, clear nights when the air's water vapor turns directly to ice. In technical terms: A deposit of ice crystals formed by deposition of water vapor on surfaces cooled below 0 degrees C and below the frost point of the adjacent air; a killing frost damages vegetation.
Frost In Plain English
Ice crystals that form on surfaces on cold, clear nights when the air's water vapor turns directly to ice.
The Technical Definition
A deposit of ice crystals formed by deposition of water vapor on surfaces cooled below 0 degrees C and below the frost point of the adjacent air; a killing frost damages vegetation.
