| Kieli | Käännökset |
|---|---|
| italia | incandescenza |
| ranska | incandescence |
| saksa | Weißglut, Glühen, Leuchten |
| suomi | hehku |
| venäjä | накал (nakal) |
| Monikko | incandescences |
(physics) the emission of visible light by a hot body
Thermal radiation in visible light can be seen on this hot metalwork. Its emission in the infrared is invisible to the human eye. Infrared cameras are capable of capturing this infrared emission (see Thermography).