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English to English adjective
| 1 |
Lying outside the visible spectrum at its red end; -- said of rays less refrangible than the extreme red rays. |  | source: webster1913 adjective satellite
| 2 |
having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end | | Example: infrared radiation
infrared photography
source: wordnet30 noun
| 3 |
the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range | | Example: they could sense radiation in the infrared
source: wordnet30
| 4 |
electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves | | source: wordnet30
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