B2adjectivesciencetechnology
US/ˌɪn.frəˈred/
UK/ˌɪn.frəˈred/
describing invisible light that is felt as heat and is used in remote controls and cameras
In context
The TV remote sends an infrared signal to the screen.
Infrared cameras can show where a house loses heat in winter.
Snakes can sense infrared radiation from warm animals nearby.
Words that go with infrared
adjective + noun
- infrared lightInfrared light is invisible to the human eye.
- infrared radiationThe lamp gives off infrared radiation that warms the skin.
- infrared cameraFirefighters use an infrared camera to find people in smoke.
- infrared sensorAn infrared sensor opens the door when someone walks up.
- infrared signalThe remote control sends an infrared signal to the machine.
- infrared heaterWe bought an infrared heater for the small office.