| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Hotshot tunnel | Transportation | A hypersonic wind tunnel in which the working fluid is heated and compressed in a constant-volume chamber by means of a short-duration electric arc before its steady expansion in a nozzle to produce hypersonic flow. Source: European Union. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
