Zero
/zˈɪroʊ/
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Definition
(num) The cardinal number occurring before one and that denotes no quantity or amount at all, represented in Arabic numerals as 0.
Sentence Examples
Water freezes at zero degrees Celsius, doesn't it?
The thermometer went down below zero.
CEFR Practice Quiz
The temperature dropped to ____ degrees earlier this morning, which is why everything was covered in several white ice today.