| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Expansion wave | Aerospace | A simple wave or progressive disturbance in the isentropic flow of a compressible fluid, such that the pressure and density of a fluid particle decrease on crossing the wave in the direction of its motion. Also called rarefaction wave. See compressional wave. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
