accretion disk

English - English

Definition of accretion disk in English English dictionary

A structure formed by matter falling into a gravitational source such as a galaxy, black hole, or protostar

{i} (Astronomy) rapidly spinning flat disk of gas and dust in space that forms around a black hole or other very large object that is growing by drawing matter to it with its gravitational field

A disk of interstellar material surrounding a celestial object with an intense gravitational field, such as a black hole

Related Terms

accretion disc

Alternative spelling of accretion disk

accretion disks

plural form of accretion disk

Hyphenation

ac·cre·tion disk

Turkish pronunciation

ıkrişın dîsk

Pronunciation

/əˈkrēsʜən ˈdəsk/ /əˈkriːʃən ˈdɪsk/