English dictionary
infrared
/,/I/nfr/@/'r/E/d/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
adjective
-
Lying outside the visible spectrum at its red end; -- said of rays less refrangible than the extreme red rays.
Source: webster1913
noun
-
the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range
ExamplesThey could sense radiation in the infrared.
Synonyms infrared frequencySource: WordNet 3.0
-
electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
Source: WordNet 3.0
adjective satellite
-
having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end
ExamplesInfrared radiation.
Infrared photography.
Source: WordNet 3.0