black hole

noun

1
: a celestial object that has a gravitational field so strong that light cannot escape it and that is believed to be created especially in the collapse of a very massive star
2
: something resembling a black hole: such as
a
: something that consumes a resource continually
a financial black hole
b
: an empty space : void
… the archives of the past few years are a black hole.David Herman
c
: a dark and seemingly inescapable state or situation
the black hole of depression

Examples of black hole in a Sentence

Recent Examples on the Web Astronomers find a shockingly ancient black hole the size of 12 billion suns The light emitted by this quasar is 20,000 times as intense as that of the Milky Way galaxy, Wolf said. Jennifer Hassan, Washington Post, 20 Feb. 2024 Pulsar timing arrays have recently announced evidence for hearing the bass section from supermassive black holes throughout the universe. Popular Science, 7 Feb. 2024 An enormous amount of heat is produced as stars are dismembered by supermassive black holes. Elizabeth Rayne, Ars Technica, 6 Feb. 2024 Last year, researchers were able to pinpoint the oldest black hole ever discovered, confirming the theory that supermassive black holes were part of the early universe. USA TODAY, 1 Feb. 2024 This material eventually fell back together and lit up as stars and galaxies or disappeared into black holes. Dennis Overbye, New York Times, 5 Jan. 2024 Confirming Einstein was just the beginning – LIGO also opened up a new way of observing the universe, allowing scientists to detect collisions between invisible objects, like black holes and neutron stars. F.d. Flam, Twin Cities, 2 Jan. 2024 Gravitational waves reveal the physics of black holes smashing together, massive supernova explosions, and even the earliest moments of the universe. Popular Science, 7 Feb. 2024 The center of each galaxy features clusters of old stars or supermassive black holes. Ashley Strickland, CNN, 1 Feb. 2024 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'black hole.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1964, in the meaning defined at sense 1

Time Traveler
The first known use of black hole was in 1964

Dictionary Entries Near black hole

Cite this Entry

“Black hole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/black%20hole. Accessed 2 Mar. 2024.

Kids Definition

black hole

noun
: an invisible region believed to exist in space having a very strong gravitational field and thought to be caused by the collapse of a star

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