INFRARED LIGHT

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does infrared light mean? 

• INFRARED LIGHT (noun)
  The noun INFRARED LIGHT has 1 sense:

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

  Familiarity information: INFRARED LIGHT used as a noun is very rare.

 Dictionary entry details 

• INFRARED LIGHT (noun)

Sense 1

Meaning:

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

Classified under:

Nouns denoting natural phenomena

Synonyms:

infrared; infrared emission; infrared light; infrared radiation

Hypernyms ("infrared light" is a kind of...):

actinic radiation; actinic ray (electromagnetic radiation that can produce photochemical reactions)

 Context examples 

This image from NASA's Spitzer Space Telescope shows the entire M87 galaxy in infrared light.

(The Giant Galaxy Around the Giant Black Hole, NASA)

Astronomers deduced the amount of light absorbed by the atmosphere in infrared light.

('Cotton Candy' Planet Mysteries Unravel in New Hubble Observations, NASA)

Past studies in infrared light have shown evidence for a compact pocket of hot dust very close to the central stars.

(Hubble Observes One-of-a-Kind Star Nicknamed 'Nasty', NASA)

When the head or the tail of the cloud is in view, less infrared light is observed.

(Spitzer Telescope Witnesses Asteroid Smashup, NASA)

Cool objects like brown dwarfs can be invisible when viewed by visible-light telescopes, but their thermal glow — even if feeble — stands out in infrared light.

(A cold, close neighbor of the Sun, NASA)

The telescope sees infrared light, which allows it to pick up the infrared glow of asteroids and obtain better estimates of their true sizes.

(Asteroid discovered by NASA to pass Earth safely, NASA)

As this infrared light travelled across space, the expansion of the Universe stretched it to wavelengths more than ten times longer by the time it reached Earth and was detected by ALMA.

(ALMA and VLT Find Evidence for Stars Forming Just 250 Million Years After Big Bang, ESO)

OCT uses infrared light waves that reflect off the internal microstructure within the biological tissues.

(Optical coherence tomography, NCI Thesaurus)

It measures how plants absorb and reflect light — the more infrared light is reflected, the healthier the vegetation.

(Tracking Deer by NASA Satellite, NASA)

When energized by sunlight, the H3+ ions glow in infrared light.

(Saturn is Losing Its Rings, NASA)