An Etymological Dictionary of Astronomy and Astrophysics

1. Flow of matter during an accretion process.
   

2. In a → binary system, flow of matter
   from the losing-mass → companion toward the compact one. The flow can be from a → stellar wind or through the → inner Lagrangian point.
   

3. → cold accretion flow, → hot accretion flow.

See also: → accretion; → flow.