sub-zero
1 of 1adjective/ˈsʌbˈziroʊ/
1
having below zero degrees Celsius or Fahrenheit
B2- The Antarctic winter brings sub-zero temperatures that challenge even the most prepared researchers.
- Residents of the northern regions endure sub-zero temperatures for months during the winter.
- The freezer keeps food at sub-zero temperatures to preserve freshness.
- The mountain climber faced sub-zero wind chills while ascending the peak.
- Arctic animals are adapted to survive in sub-zero environments year-round.