hoar frost
The term 'hoar frost' originates from Old English, meaning 'showing signs of old age,' due to its white, aged appearance on surfaces.
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Definition
B2Meteorology
(technical)A white deposit of ice crystals that forms on surfaces when water vapor in the air directly turns into ice without becoming liquid first.
Example
- On cold, clear nights, hoar frost can be seen coating tree branches and leaves.
B2Nature
A delicate, feathery coating of ice that forms on objects when cold, moist air freezes upon contact.
Example
- The fields were covered in hoar frost, giving the landscape a magical, white appearance.
Similar
Terms that have similar or relatively close meanings to "hoar frost":