frost
/frɒst/a thin layer of ice crystals that forms on surfaces when the temperature is below freezing
The frost made the car windshield difficult to see through in the morning.
Ice crystals formed on the car windshield due to freezing temperatures, obscuring visibility.
Frost forms when water vapor in the air freezes directly onto surfaces.
a period of severe cold weather
The frost lasted for three days, causing damage to crops.
A prolonged period of freezing temperatures harmed the crops.
In this sense, 'frost' refers to the cold weather itself, not just the ice crystals.
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💡Pro Tip
Distinguishing Frost from Freezing Rain
Frost forms directly from water vapor in the air, while freezing rain occurs when liquid rain freezes upon contact with surfaces.
⚡Gold Rule
Frost vs. Freeze
Frost refers to the ice crystals that form on surfaces, while 'freeze' refers to the process of water turning into ice.
📖Word Origin
Old English 'frost,' from Proto-Germanic 'frustaz,' meaning 'frost, ice.' Related to Old Norse 'frosti' and Old High German 'frost.'
📝Usage Notes
The word 'frost' can refer to both the ice crystals and the cold weather that causes them. In some contexts, it may also be used metaphorically to describe something cold or unfeeling.