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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

Electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves. Having or employing wavelengths longer than light but shorter than radio waves.

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Usage examples (36)
  • They could sense radiation in the infrared
  • infrared radiation
  • The Operation is an adult film shot entirely in infrared video.
  • This light, "redder than red", is usually known as infrared radiation.
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