noun Date: 1972 a disk of usually gaseous matter surrounding a massive celestial object (as a black hole) in which the matter gradually spirals in toward and accretes onto the object as a result of gravitational attraction
ACCRETION DISK
Meaning of ACCRETION DISK in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012