hoarfrost

Từ điển LongMan Dictionary

hoar‧frost/ˈhɔːfrɒst $ ˈhɔːrfrɒːst/ noun [UNCOUNTABLE] formal
[date : 1200-1300; Origin : hoar 'gray, white' (11-20 centuries) (from Old English har) + frost]
a thin layer of ice that forms on objects outside when it is very cold SYN frost:
　 ▪ A light hoarfrost covered the fields.

noun
EXAMPLES FROM CORPUS
▪ I open my eyes to a world clothed in the exquisite lace of hoarfrost.

• Từ đồng nghĩa / Synonyms:
  frost, hoar, rime