Meaning of “black hole” in the English Dictionary

"black hole" in British English

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black holenoun [ C ]

uk /ˌblæk ˈhəʊl/ us /ˌblæk ˈhoʊl/

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

"black hole" in American English

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black holenoun [ C ]

us /ˈblæk ˈhoʊl/

physics a region in space where the force of gravity is so strong that nothing, not even light, can escape from it

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

"black hole" in Business English

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black holenoun [ C ]

uk us

COMMERCE an activity or organization on which very large amounts of money are spent but which does not produce any profit or useful result:

Fears that the operation would be a black hole proved well-founded.

FINANCE, ACCOUNTING a large amount of money that is owed by a company or government:

black hole in sth Taxes will have to rise to fill a black hole in the public finances.

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