needle ice
noun phrase
Meaning
A formation of slender, vertical ice crystals that grow upward from the surface of moist soil or mud, often appearing in cold, damp conditions and resembling tiny needles.
Examples
- In the early morning, the damp ground was covered in delicate needle ice.
- The unusual needle ice formations were a beautiful, albeit temporary, sight.
Synonyms: ice needles, frost flowers, ice columns