hoarfrost
/ˈhɔː.frɒst/ (bre, ipa) · /ˈhɔːr.frɑːst/ (ame, ipa) · /ˈhȯr-ˌfrȯst/ (ame, mw)
hoarfrost — noun
- hoarfrostsingular
- hoarfrostsplural
1. a thick coating of small white ice crystals shaped like tiny needles, formed whe
a thick coating of small white ice crystals shaped like tiny needles, formed when water vapour freezes directly onto cold surfaces such as grass, branches, or fences during freezing weather.
After the cold night, hoarfrost covered every branch in Élise's garden.
hoarfrost covered + [surface]
Rodrigo wiped a thick layer of hoarfrost from the windshield before driving to work.
collocation: layer of hoarfrost
Hoarfrost on the wooden fence sparkled in the early morning sun.
The hikers stopped to photograph the hoarfrost clinging to pine needles near the trail.
By dawn, a delicate coat of hoarfrost had settled over the grass in the churchyard.
- rime
very close in meaning; rime is the more technical term used by meteorologists for ice deposits from supercooled fog
- frost
general everyday word for any thin layer of ice crystals on surfaces; hoarfrost is the thicker, feathery type
- white frost
plainer descriptive label sometimes used instead of hoarfrost in non-technical writing
文法句型
hoarfrost on [surface]
covered in hoarfrost
用法筆記
Uncountable; refers to the entire coating, not single crystals. Distinguish from ordinary 'frost' by the thicker, feathery, needle-like appearance that forms on raised surfaces in foggy or very humid freezing conditions.