Meaning of “halve” in the English Dictionary

british dictionary

"halve" in British English

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halveverb

uk /hɑːv/ us /hæv/

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

"halve" in American English

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halveverb [ T ]

us /hæv/

to divide something into two equal parts, or to reduce something to half of its original size, number, or degree:

The doctor decided to halve the dose of the drug.

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

"halve" in Business English

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halveverb [ I or T ]

uk /hɑːv/ us

to reduce a number or amount by 50 per cent, or to be reduced by 50 per cent:

Canada, Japan, and the EU are committed to halving global emissions by 2050.
Pre-tax profits nearly halved last year to £14m.
halve the amount/number/cost of sth The industry's rush of consolidation in the last decade nearly halved the number of banks in the U.S. to around 7,500.

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