accretion
61accretion — n. growth, especially by addition from outside …
62Accretion — The gradual accumulation of mass. Planets often form this way. Particles from a solar nebula collide and are held in place by their gravity. As the mass grows so does its gravitational pull, attracting more particles, eventually forming a… …
The writer's dictionary of science fiction, fantasy, horror and mythology
63accretion — /ə kri:ʃ(ə)n/ noun the process of adding interest to a fund over a period of time …
64accretion — The increase of riparian land by the gradual deposit by water of solid material, whether mud, sand, or sediment, so as to cause that to become dry land which was before covered by water. 56 Am JIst Wat §476. Accumulation. Growth in size.… …
65accretion — see CRESCENT …
66accretion — n. 1 growth by organic enlargement. 2 a the growing of separate things into one. b the product of such growing. 3 a extraneous matter added to anything. b the adhesion of this. 4 Law a = ACCESSION. b the increase of a legacy etc. by the share of… …
67accretion disk — 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 …
68accretion disk — Astron. the rapidly spinning disk of gas that forms around the more compact component of a close binary star system as mass is transferred to the compact companion from the primary star. [1975 80] * * * …
69accretion disk — noun A structure formed by matter falling into a gravitational source such as a galaxy, black hole, or protostar …
70accretion shock — noun A spherical shock wave that arises when material spirals inward to a gravitational source such as a star or black hole …
