infrared
Translation
infrared
Examples
The remote control uses an infrared beam.
The remote control uses an infrared beam.
Infrared radiation is invisible to the human eye.
Infrared radiation is invisible to the human eye.
Grammar Patterns
((infrared)) ((noun)) relating to light below the red end of the spectrum The camera has an infrared sensor.
Similar Words
Synonyms: none common; Antonyms: ultraviolet
Etymology
'Infra-' (below) + 'red'. It refers to the light spectrum 'below' red.
Memory Tips
'Infra' means below, so it's the light *below* the color red in the spectrum.