noting or pertaining to the infrared or its component rays: infrared radiation.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use infrared in a sentence
This technology, called functional near-infrared spectroscopy, is the same that allows pulse oximeters to measure oxygen levels in the blood.Can privacy coexist with technology that reads and changes brain activity? | Laura Sanders | February 11, 2021 | Science News
The operator gets a real-time view of what Spot sees and hears through its onboard sensors, which include an infrared camera.Boston Dynamics gave its dog-like robot a charging dock and an arm on its head | Stan Horaczek | February 2, 2021 | Popular-Science
Wi-Charge’s PowerPuck system employs infrared beams that can power low-draw devices from up to 30 feet away without the power level dropping as you move further away.Xiaomi’s long-range wireless charger shows a glimpse of a cord-free future | Stan Horaczek | February 1, 2021 | Popular-Science
We suggest reaching for a ceramic, porcelain, or infrared dryer, which will gently dry your hair without sucking up healthy moisture.The best hair dryer: Get a salon-worthy blowout at home | Carsen Joenk | January 22, 2021 | Popular-Science
He and his team are now looking at another type of light called the cosmic infrared background.
Therefore, it is not possible for any F-35 schedule to include a video data link or infrared pointer at this point.
Some pilots consider the infrared marker to be crucial to the close air-support mission to support ground troops.Newest U.S. Stealth Fighter ‘10 Years Behind’ Older Jets | Dave Majumdar | December 26, 2014 | THE DAILY BEAST
infrared light does not have a color which means it cannot be seen by the human eye.
Unlike humans, it can watch for days, even years, watch an entire city, zoom in close, use heat sensors and infrared.
Helicopters equipped with infrared equipment flew over the area.
It was an air-view of the city of Zurb—taken, the high priest explained, by infrared light from an airboat over the city at night.Temple Trouble | Henry Beam Piper
It boils liquid metal and cooks out energy from the infrared right through to hard radiation.The K-Factor | Harry Harrison (AKA Henry Maxwell Dempsey)
Anyone leaving their Buggy would interrupt an infrared beam and stop the ride system.Down and Out in the Magic Kingdom | Cory Doctorow
The film registers whatever the infrared searchlight illuminates.Smugglers' Reef | John Blaine
Thanks to the goggles, both of them could see the normally invisible beams of the infrared flashlight.Out Like a Light | Gordon Randall Garrett
British Dictionary definitions for infrared
the part of the electromagnetic spectrum with a longer wavelength than light but a shorter wavelength than radio waves; radiation with wavelength between 0.8 micrometres and 1 millimetre
of, relating to, using, or consisting of radiation lying within the infrared: infrared radiation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for infrared
Relating to the invisible part of the electromagnetic spectrum with wavelengths longer than those of visible red light but shorter than those of microwaves. See more at electromagnetic spectrum.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.