Subzero (adjective)

Describing a temperature below 0°C (32°F) on the Celsius or Fahrenheit scale.

Origin:

Derived from the latin word "sub", meaning "below" and "zero", meaning "nothing".

Examples:

1. The subzero temperatures made it difficult for the pipes to function properly.
2. The subzero weather caused the roads to be covered in ice.
3. Subzero temperatures can cause frostbite and hypothermia if precautions are not taken.
4. The subzero wind chill made it feel even colder outside.
5. The subzero temperatures caused the lake to freeze over, making it safe for ice fishing.