Antonyms for infraredin·frared

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1. • Frequency

Princeton's WordNetRate these antonyms:0.0 / 0 votes

1. infrared, infrared frequencynoun

   the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range

   "they could sense radiation in the infrared"

   Antonyms:
   seeable, visible

   Synonyms:
   infrared emission, infrared light, infrared radiation, infrared frequency

2. infrared, infrared light, infrared radiation, infrared emissionadjective

   electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves

   Antonyms:
   seeable, visible

   Synonyms:
   infrared emission, infrared light, infrared radiation, infrared frequency

3. infraredadjective

   having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end

   "infrared radiation"; "infrared photography"

   Antonyms:
   visible, seeable

Editors ContributionRate these antonyms:0.0 / 0 votes

1. ultraviolet

   infrared is the wide range of invisible light with longer wavelengths than the red we can see. ultraviolet is the wide range (uva, uvb, uvc etc) with shorter wavelengths than we can see.

   ultraviolet have lesser wavelengths than violet in the spectrum.

   Submitted by walleser on May 22, 2021  

How to use infrared in a sentence?

1. February NASA:

   These clouds are so thick that even Hubble’s infrared capability could not penetrate them.

2. Alon Gorodetsky:

   Soldiers wear uniforms with the familiar green and brown camouflage patterns to blend into foliage during the day, but under low light and at night, they're still vulnerable to infrared detection, you can draw inspiration from natural systems that have been perfected over millions of years, giving us ideas we might never have been able to come up with otherwise.

3. Geoffrey Carter:

   The infrared looks for a flash from a gunshot and the acoustics listens for the bang, so we get the flash and the bang, and then we cue the operator. The accoustics get us very accurate azimuth, or bearing, to the threat. The combination of knowing the speed of light and the speed of sound, we’re able to get the distance in the time of arrival to the threat.

4. Alon Gorodetsky:

   There is a lot of flexibility in how one can deploy this material, essentially, by taking the stickers and putting them all over yourself, you could look one way under optical visualization and another way under an active infrared visualization camera.

5. Jeff White:

   The millimeter wave radar turns on first. Then the data link gives it a cue and tells the seeker where to open up and look. Then it turns on its IR (infrared) which uses heat seeking technology.

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