INFRARED

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does infrared mean? 

• INFRARED (noun)
  The noun INFRARED has 2 senses:

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

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

  Familiarity information: INFRARED used as a noun is rare.

• INFRARED (adjective)
  The adjective INFRARED has 1 sense:

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

  Familiarity information: INFRARED used as an adjective is very rare.

 Dictionary entry details 

• INFRARED (noun)

Sense 1

Meaning:

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

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

infrared; infrared frequency

Context example:

they could sense radiation in the infrared

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

frequence; frequency; oftenness (the number of occurrences within a given time period)

Holonyms ("infrared" is a part of...):

infrared spectrum (the spectrum of infrared radiation)

Sense 2

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" is a kind of...):

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

• INFRARED (adjective)

Sense 1

Meaning:

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

Context example:

infrared photography

Similar:

invisible; unseeable (impossible or nearly impossible to see; imperceptible by the eye)

 Context examples 

Diaphranography (transillumination light scanning) is a non-invasive imaging procedure for the detection and evaluation of breast disease, by visualizing lesions through a television camera sensitive to infrared light.

(Diaphranography, NCI Thesaurus)

Spitzer observed 55 Cancri e between June 15 and July 15, 2013, using a camera specially designed for viewing infrared light, which is invisible to human eyes.

(Lava or Not, Exoplanet 55 Cancri e Likely to have Atmosphere, NASA)

Phototherapy can use lasers, LED, fluorescent lamps, and ultraviolet or infrared radiation.

(Phototherapy, NCI Dictionary)

A technique in which abnormal tissue is exposed to a burst of infrared light (a type of radiation).

(Infrared coagulation, NCI Dictionary)

An assay or diagnostic test utilized to measure the level of degradation of a drug or material in the presence of ultraviolet, visible or infrared light.

(Photostability Test, NCI Thesaurus)

The advance could also hasten new technologies for solar-energy conversion, quantum information, and near-infrared driven photocatalysis.

(Making higher energy light to fight cancer, National Science Foundation)

Probing the weather layer down to 30 to 45 miles (50 to 70 kilometers) below Jupiter's cloud tops, JIRAM captures infrared light emerging from deep inside Jupiter.

(NASA's Juno Navigators Enable Jupiter Cyclone Discovery, NASA)

Infrared radiation from warm dust generates much of the glow seen here from the Perseus Molecular Cloud.

(Spitzer Studies a Stellar Playground With a Long History, NASA)

The team calls its device an infrared rectenna, a portmanteau of rectifying antenna.

(Harvesting Electrical Power from Waste Heat, The Titi Tudorancea Bulletin)

A sterilization process that uses intense and short duration pulses of wavelengths of light from the ultraviolet to the near infrared regions to kill microorganisms.

(High Intensity Light or Pulse Light Sterilization, Food and Drug Administration)