Definition of “zero” - English Dictionary

“zero” in British English

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zeronumber

uk /ˈzɪə.rəʊ/ us /ˈzɪr.oʊ/ plural zeros

A2 [ C or U ] (the number) 0; nothing:

Five, four, three, two, one, zero.
The number one million is written with a one and six zeros.
Heavy rain has reduced visibility almost to zero (= its lowest point).

B1 [ U ] on a set of numbers for comparing temperature in degrees Celsius, the level of temperature at which water freezes:

The temperature is expected to drop to ten degrees below zero tonight.

More examples

zeroadjective

uk /ˈzɪə.rəʊ/ us /ˈzɪr.oʊ/

(Definition of “zero” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“zero” in American English

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zeronumber

us /ˈzɪər·oʊ, ˈzi·roʊ/ plural zeros or zeroes

zero number (NUMBER)

0

zeronoun [ U ]

us /ˈzɪər·oʊ, ˈzi·roʊ/

zero noun [ U ] (NOTHING)

nothing; not anything:

Visibility in the fog was just about zero.

zeroadjective [ not gradable ]

us /ˈzɪər·oʊ, ˈzi·roʊ/

zero adjective [ not gradable ] (NOT ANY)

not any or no:

The economy showed zero growth in the first quarter of this year.

(Definition of “zero” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“zero” in Business English

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zeronoun

uk /ˈzɪərəʊ/ us 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.

informal →  zero coupon bond

(Definition of “zero” from the Cambridge Business English Dictionary © Cambridge University Press)

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