NEAR-INFRARED RADIATION Definition & Meaning

near-infrared radiation

[ neer-in-fruh-red rey-dee-ey-shuhn ]

Phonetic (Standard)IPA

noun

the shorter wavelengths of electromagnetic radiation in the infrared region of the spectrum, extending from about 0.75 to 2.5 micrometers, usually radiation reflected from plant materials.

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�y��vlog History and Origins

Origin of near-infrared radiation¹

First recorded in 1940–45

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Example Sentences

Examples have not been reviewed.

Four hours later, they applied near-infrared radiation to the mice to activate the photo-oxidants to attack the cancer cells.

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“Water vapor is a good absorber of the near-infrared radiation, behaves as a greenhouse gas, and warms the planet,” Kopparapu says.

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Longer-wavelength near-infrared radiation can penetrate up to three centimetres — a much better depth for uses such as releasing drugs.

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It could also find use in advanced biomedical imaging "because near-infrared radiation penetrates through tissue better than other wavelengths," Salguero said.

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