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

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Examples of black hole in a Sentence

a psychopath who seemingly has a black hole where his heart should be
Recent Examples on the Web The Chandra X-Ray Observatory, now in its 20th year of operation, covers higher-energy processes, like the radiation emitted from gas being sucked into black holes. William Harwood, CBS News, "The end of the road for NASA's Spitzer Space Telescope," 29 Jan. 2020 Make sure the brush extends above the tops of the blinds so there isn’t a black hole when birds fly over you. Joe Genzel, Outdoor Life, "5 Goose Hunting Tactics for Water and Fields," 15 Jan. 2020 The club meets on the fourth Monday of each month at 7 p.m. Last month’s initial meeting touched on black holes. Lisa Peklo, baltimoresun.com, "Fall offers a lot of festival fun in western Howard County," 4 Oct. 2019 Those kind of afternoon lunches have all but disappeared, sucked into some malevolent black hole created by corporate downsizing, email culture and the endless stupefaction of the internet. Tim Carman, chicagotribune.com, "The real reason you should stop eating lunch at your desk," 4 Oct. 2019 But there are other possible origin stories for the putative big black hole. Quanta Magazine, "Possible Detection of a Black Hole So Big It ‘Should Not Exist’," 28 Aug. 2019 The scientist, who is also an adjunct faculty member in physics at the University of California Santa Barbara, suggested that the burst could be from two intermediate-mass black holes having merged. Fox News, "Mysterious burst of gravitational waves hit Earth, baffling astronomers," 24 Jan. 2020 Researchers have, on multiple occasions, observed gravitational waves caused by collisions between black holes throughout the universe. Jennifer Leman, Popular Mechanics, "LIGO Catches a Cosmic Battle Between Two Neutron Stars," 9 Jan. 2020 But black holes of such small stature have never been observed before, either. Adam Mann, Scientific American, "Gravitational-Wave Discovery Hints at Another Spectacular Neutron-Star Crash," 8 Jan. 2020

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.

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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

11 Feb 2020

Cite this Entry

“Black hole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/black%20hole. Accessed 17 Feb. 2020.

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More Definitions for black hole

black hole

noun

English Language Learners Definition of black hole

: an invisible area in outer space with gravity so strong that light cannot get out of it

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

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