Pronunciation: /əˈkriʃən dɪsk/
noun Astronomy. A rotating disk of matter formed by material falling into a gravitational source, such as a black hole or young star.
A1 An accretion disc is a rotating disk of gas and dust that surrounds a celestial object like a star.
A2 Scientists believe that planets can form from the material in an accretion disc around a young star.
B1 The accretion disc around a black hole can reach temperatures of millions of degrees.
B2 Studying the properties of an accretion disc can provide valuable insights into the dynamics of star formation.
C1 Advanced telescopes have allowed astronomers to observe accretion discs in distant galaxies with great detail.
C2 The complex interactions within an accretion disc can lead to the emission of high-energy radiation.
formal The accretion disc surrounding a black hole plays a crucial role in capturing and funneling matter into the singularity.
informal The stuff swirling around a black hole in the accretion disc is like a cosmic traffic jam.
slang The accretion disc is like a buffet line for the black hole, just sucking up everything in sight.
figurative Her mind was like an accretion disc, constantly gathering new ideas and information.
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