black hole
noun/ˌblæk ˈhəʊl/
/ˌblæk ˈhəʊl/
- an area in space that nothing, not even light, can escape from, because gravity (= the force that pulls objects in space towards each other) is so strong there
- (figurative) The company viewed the venture as a financial black hole (= it would use a lot of the company's money with no real result).
- (figurative) Thousands of people have been plunged into the black hole of unemployment.
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black hole