zero
noun
uk/ˈzɪərəʊ/ usplural zeros | or zeroes [ C or U ]
the number 0:
They agreed to cut tariffs on 4,000 categories of goods to between zero and 5% by 2013.
[ U ]
nothing at all, or the lowest possible amount:
The intent of sustainable business development is to drive outputs of hazardous waste to zero.
zero cost/growth The economic reform packages stirred the economy from zero growth.
[ U ] MEASURES
on a set of numbers for comparing temperature in degrees Celsius, the level of temperature at which water freezes:
The temperature dropped to ten degrees below zero.
informal
→ zero coupon bond