Infrared

/ˌɪnfrəˈrɛd/

Meaning & Definition

noun

Electromagnetic radiation with wavelengths longer than visible light.

The infrared emitted by the heater warmed the room quickly.

A type of radiation that is used in various applications such as thermal imaging.

The study utilized infrared to gauge the temperature variations across the surface.

adjective

Relating to or denoting electromagnetic radiation with wavelengths longer than visible light, typically between 700 nanometers and 1 millimeter.

The infrared camera can detect heat emitted from living organisms.

Referring to a portion of the spectrum of light that is not visible to the human eye.

Infrared technology is used in remote controls to communicate with devices.

From Latin 'infra-' meaning 'below' and 'red', referring to the wave lengths below the visible red spectrum.

infrared spectroscopy:

A technique used to identify and study chemicals based on their absorption of infrared light.

infrared camera:

A device used to capture images based on infrared radiation.

infrared sauna:

A type of sauna that uses infrared heaters to emit heat directly to the body.

Used informally to refer to anything that is hidden or not immediately visible.

He's got some infrared moves when it comes to sneaking around.

Refers to the use of thermal technology in a casual manner.

Let’s use infrared for some of our night missions, it’s way cooler!