Definitions:

1. A slender, needle-like formation of ice that occurs under specific cold conditions, typically found on surfaces like plants or car windows. NOUN
   • The car windshield was covered in tiny ice needles, creating a beautiful, intricate pattern.
2. A type of ice crystal that is long and thin in shape, resembling a needle, commonly found under specific weather conditons particularly with high humidity and extremely cold temperatures. ADJECTIVE
   • Ice needles form when the right combination of cold temperature and humidity causes water vapor to freeze into delicate, needle-like cystals.
3. Small crystals of ice. NOUN
   • The grass was covered with delicate ice needles that glistened in the morning sun.

Synonyms:

• ice crystal
• icicle
• snow mist