hoarfrost
- n ice crystals forming a white deposit (especially on objects outside)
- All of them see white patches at the planet's poles, which they accept as thin layers of ice or hoarfrost.
- For a moment, his imagination took flight, as the audience listened nervously: "Recently I was watching the sun rise on a forest covered in hoarfrost.
- Heavy hoarfrost formed each night; and in the morning the dead in the streets glittered.