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infrared radiation

  1. Invisible radiation in the part of the electromagnetic spectrum characterized by wavelengths just longer than those of ordinary visible red light and shorter than those of microwaves or radio waves . ( Compare ultraviolet radiation .)


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Notes

The heat we feel from a glowing coal or an incandescent light bulb is from infrared rays.
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Example Sentences

Examples have not been reviewed.

To identify the disk gases, the team used MIRI's spectrograph to decompose the infrared radiation received from the disk into signatures of small wavelength ranges -- similar to sunlight being split into a rainbow.

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The satellite is equipped with four instruments to study the role of clouds and aerosols — particles suspended in the atmosphere — in reflecting solar radiation back into space and trapping infrared radiation emitted from Earth’s surface.

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These glasses reduce visible sunlight to safe and comfortable levels and block all but a tiny fraction of solar UV and infrared radiation, according to the American Astronomical Society.

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In the future for instance, the Duke team's work might help others engineer nanotubes that detect heat released as infrared radiation, to reveal people or vehicles hidden in the shadows.

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Due to the charge and mass symmetry of the two atomic nuclei, the molecule absorbs and emits almost no visible and infrared radiation.

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