| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Emission line | Aerospace | 1: A bright line at a particular wavelength. of a spectrum emitted directly by a hot gas. (references) | |
| 2: A minute range of wavelength (or frequency) in the electromagnetic spectrum within which radiant energy is being emitted by a radiating substance. See spectral line, emission spectrum. (references) | |||
| Emission line | Physics | In spectroscopy, a particular wavelength of emitted radiation, more intense than the background continuum. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
