Meaning of sub-zero | Babel Free
Definitions
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below 0°C; freezing cold not-comparable
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below 0°F (−18°C) US, not-comparable
Examples
“Several days of sub-zero temperatures caused icicles up to 1.5 metres long to form in tunnels across Greater Manchester, Lancashire and Cumbria.”
CEFR level
C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
This word is part of the CEFR C2 vocabulary — mastery level.