Infrared
8 lettersadjectivemoderateUpdated February 2026
Definition
Relating to electromagnetic radiation with wavelengths longer than visible light but shorter than microwaves. Used in remote controls, thermal imaging, and night vision.
“The infrared camera detected heat signatures invisible to the naked human eye in darkness.”
Related Words
Synonyms
IRheat radiation
Word Game Tips
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Wordle
Contains RED ending with INFRA prefix - three vowels distributed
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Scrabble
Worth 12 points; compound-style scientific term with good letters
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