1. the number 0
2. zero growth/inflation etc ECONOMICS no growth, inflation etc at all:
• Government officials are predicting zero inflation for April.
• The figures show zero growth in industrial output value.
[m0] ▪ II. zero zero 2 verb
zero in on somebody/something phrasal verb [transitive]
to direct all your attention towards a particular person or thing:
• Companies are looking to zero in on specific markets.
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zero UK US /ˈzɪərəʊ/ noun (plural 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.
Financial and business terms. 2012.