A representation of a black hole.
- An example of a black hole is a dark place in outer space possibly formed by a collapsed star.
- An example of a black hole is a void in someone's heart.
- An example of a black hole is a small, underground prison cell.
- a celestial object or dark region in space, perhaps formed by the collapse of a large star, with such a great mass that its gravitational field will not let even light escape
- an emptiness or void
- anything thought of as endlessly devouring resources, funds, etc.
Origin of black holephrase first used with this meaning (late 1960s) by J. A. Wheeler
- a small dungeon at Calcutta: it was once believed that over 100 Europeans were confined there one night in 1756 by their Indian captors and died from heat and lack of air
- [b- h-] any dungeon
- A massive star in the last phase of its evolution, in which the star collapses, creating a volume of space-time with a gravitational field so intense that its escape velocity equals or exceeds that of light.
- A great void; an abyss: The government created a bureaucratic black hole that swallows up individual initiative.
(plural black holes)
- A gravitationally domineering celestial body with an event horizon from which even light cannot escape; the most dense material in the universe, condensed into a singularity, usually formed by a collapsing massive star.
- A sphere of influence into which or from which communication or similar activity is precluded.
- An entity which consumes time or resources without demonstrable utility.
- A dungeon or dark cell in a prison; a military lock-up or guardroom.
- white hole
- attributive form of black hole, noun.
black hole - Computer Definition
A black hole is a region in the Internet not reachable from anywhere else. Black Holes typically result from configuration errors or attacks to the routers that attach the black-holed area to the Internet.