Dictionary

infrared

adjective in·fra·red \ˌin-frə-ˈred, -(ˌ)frä-, -fə-\

: producing or using rays of light that cannot be seen and that are longer than rays that produce red light

Full Definition of INFRARED

1
:  situated outside the visible spectrum at its red end —used of radiation having a wavelength between about 700 nanometers and 1 millimeter
2
:  relating to, producing, or employing infrared radiation <infrared therapy>
3
:  sensitive to infrared radiation <infrared sensors that detect body heat>
infrared noun
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First Known Use of INFRARED

1881
INFRARED Defined for Kids

infrared

adjective in·fra·red \ˌin-frə-ˈred\

Definition of INFRARED for Kids

:  being, relating to, or producing rays like light but lying outside the visible spectrum at its red end

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Next Word in the Dictionary: infrared lampPrevious Word in the Dictionary: infra praesidiaAll Words Near: infrared
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