black hole
black hole
noun
/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.
TOPICS Space C1