numberbelowzero
nounUK /ˈnʌmbə bɪˈləʊ ˈzɪərəʊ/
US /ˈnʌmbər bɪˈloʊ ˈzɪroʊ/
A number that is less than zero, like -3.
The temperature dropped to a numberbelowzero, so we wore extra coats.
RELATED WORDS
OTHER MEANINGS
2. A value used in math to show an amount less than nothing.
In math class we learned to add a numberbelowzero to a positive number.
3. A reading on a thermometer that shows freezing cold.
The thermometer showed a numberbelowzero all night.
4. An amount of money that is owed rather than owned.
His bank account went to a numberbelowzero after the big purchase.