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

Seriously, the guy’s knowledge of black holes is encyclopedic. Robbie Gonzalez, WIRED, "An Astronomer Explains Black Holes at 5 Levels of Difficulty," 5 July 2018 The broadcast, planned after his funeral today, is in honor of Hawking’s research, which played a key role in our current understanding of black holes. Emily Price, Fortune, "Stephen Hawking's Voice Will Be Broadcast Into Space," 15 June 2018 Related How did the gravitational wave finding change our understanding of black holes? Denise Chow /, NBC News, "Physicist Brian Greene on the three biggest science mysteries he'd like to see solved," 10 June 2018 That’s how scientists discovered those thousands of black holes in the new study. Eileen Meyer, Smithsonian, "Big Data is Transforming How Astronomers Make Discoveries," 15 May 2018 Hawking was known for writing about the mysteries of space, time and black holes. Jane Onyanga-omara, USA TODAY, "Stephen Hawking: His most memorable quotations," 14 Mar. 2018 His comments on black holes and other physics phenomena were regularly noted in newspapers. Dan Vergano, Cincinnati.com, "Stephen Hawking, legendary physicist, dies at 76, family says," 14 Mar. 2018 Hawking conducted groundbreaking research into black holes and the origins of the universe, and gained global fame as a popularizer and communicator of science. NBC News, "Stephen Hawking's ashes buried in Westminster Abbey," 15 June 2018 This new method could help astronomers hunting for neutron stars, as well as black holes and other astronomical objects. Avery Thompson, Popular Mechanics, "The Largest Neutron Star Ever, Found With a Clever New Technique," 30 May 2018

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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Last Updated

4 Nov 2018

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Time Traveler for black hole

The first known use of black hole was in 1964

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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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Comments on black hole

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