black hole

noun

Definition of black hole

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 Quantum mechanics prevent neutrons from occupying the same energy state in close proximity, and this prevents the neutrons from getting any closer and so blocks the collapse into a black hole. Jennifer Ouellette, Ars Technica, 4 Aug. 2022 The resulting remnant stellar core is crushed by gravity into a black hole, says NASA. Bruce Dorminey, Forbes, 11 June 2022 In the case of Hawking radiation, that warm fuzzy effect is essentially a result of particles being pulled into a black hole by gravity. Joanna Thompson, Scientific American, 20 May 2022 What keeps Everything Everywhere All at Once from falling into a black hole of sprawling thought is its wonderful central performances, and the emotional through line that Yeoh and Quan follow amid all the chaos. David Sims, The Atlantic, 25 Mar. 2022 So far, only a couple of potential PeVatrons have been tracked down in the Milky Way: the supermassive black hole at our galactic center, and a star-forming region that resides on the outskirts. WIRED, 28 Aug. 2022 Although no light escapes from the black hole itself, the incredibly hot material spiraling into it emits huge amounts of mid-infrared light. Fionna M. D. Samuels, Scientific American, 21 July 2022 Researchers also detected the telltale signs of an active supermassive black hole in the topmost galaxy — distinguishable only by material swirling around the cosmic behemoth. Denise Chow, NBC News, 12 July 2022 Keep that core reason in mind, and don’t take them down a convoluted, black hole of information. Josh Perlstein, Forbes, 29 June 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'black hole.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of black hole

1964, in the meaning defined at sense 1

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Time Traveler for black hole

Time Traveler

The first known use of black hole was in 1964

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Statistics for black hole

Last Updated

19 Sep 2022

Cite this Entry

“Black hole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/black%20hole. Accessed 1 Oct. 2022.

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More Definitions for black hole

black hole

noun

Kids Definition of black hole

: a heavenly body with such strong gravity that light cannot escape it and that is thought to be caused by the collapse of a massive star

More from Merriam-Webster on black hole

Nglish: Translation of black hole for Spanish Speakers

Britannica.com: Encyclopedia article about black hole

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