hoarfrost
nounUK /ˈhɔː.frɒst/
US /ˈhɔːr.frɑːst/
White ice that looks like tiny feathers on cold things in the morning.
The grass was covered with hoarfrost when we woke up.
SYNONYMS
OTHER MEANINGS
2. A thin layer of ice crystals formed on cold surfaces by freezing water vapor.
Hoarfrost coated the windows overnight.
3. Frozen dew that makes plants and branches look white and fuzzy.
The trees sparkled with hoarfrost in the early light.
4. Any white, feathery coating of ice on outdoor objects.
Hoarfrost clung to the fence and the old gate.