accretion disk

noun

accretion disk

noun
1

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

Hyponyms
MAD, SANE
Coordinate terms
debris disk, planetary disk, planetary ring, protoplanetary disk

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.