infrared
1 of 2adjective/ˌɪnfrəˈrɛd/
1
relating to electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves, often used in night vision, heat detection, and remote control technology
- Infrared cameras capture heat signatures that are invisible to the human eye.
- Remote controls often use infrared technology to transmit signals to electronic devices.
- Infrared saunas emit radiant heat that penetrates the body's tissues for therapeutic effects.
- Night-vision goggles amplify infrared light to enhance visibility in low-light conditions.
- Astronomers use infrared telescopes to study celestial objects obscured by dust clouds.