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Definitions and Synonyms of infrared | Another word for infrared | What is infrared?

Definition 1: the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range - [noun denoting attribute]

Samples where infrared or its synonyms are used according to this definition

  • they could sense radiation in the infrared

Synonyms for infrared in the sense of this definition

(infrared is a kind of ...) the number of occurrences within a given time period

"the frequency of modulation was 40 cycles per second" "the frequency of his seizures increased as he grew older"

(... is part of infrared) the spectrum of infrared radiation

Definition 2: electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves - [noun denoting phenomenon]

Synonyms for infrared in the sense of this definition

(infrared is a kind of ...) electromagnetic radiation that can produce photochemical reactions

Definition 3: having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end - [adjective satellite denoting all]

Samples where infrared or its synonyms are used according to this definition

  • infrared radiation
  • infrared photography

(infrared is similar to ...) impossible or nearly impossible to see; imperceptible by the eye

"the invisible man" "invisible rays" "an invisible hinge" "invisible mending"

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