far-infrared

adjective
far-in·​fra·​red | \ ˈfär-ˌin-frə-ˈred How to pronounce far-infrared (audio) \

Definition of far-infrared

: of or relating to the longer wavelengths of radiation in the infrared spectrum and especially to those between 10 and 1000 micrometers

First Known Use of far-infrared

1923, in the meaning defined above

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The first known use of far-infrared was in 1923

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Cite this Entry

“Far-infrared.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/far-infrared. Accessed 27 Oct. 2020.

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