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: I I- I. Ia Ib Ic Id Ie If Ig Ih Ii Ij Ik Il Im In Io Ip Iq Ir Is It Iu Iv Iw Ix Iy Iz

Table of Contents POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY

infrared

POS

Adjective, Noun

HYPHEN

in=fra=red

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WORDNET DICTIONARY

Noun infrared has 2 senses

infrared(n = noun.attribute) infrared frequency - the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range; "they could sense radiation in the infrared"

is a part of infrared spectrum

is a kind of frequence, frequency, oftenness

infrared(n = noun.phenomenon) infrared emission, infrared light, infrared radiation - electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves; Array

is a kind of actinic radiation, actinic ray

Adjective infrared has 1 sense

infrared(s = adj.all) Array - having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end; "infrared radiation"; "infrared photography"

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CIDE DICTIONARY

infrared, a. [Infra- + red.].

Lying outside the visible spectrum at its red end; -- said of rays having a longer wavelength (and thus less refrangible) than the extreme red rays, specifically those electromagnetic waves having a wavelength of between 700 nanometers and 1 millimeter. [Webster 1913 Suppl.]
relating to, using, or producing infrared radiation. [PJC]
affected by infrared radiation; as, infrared detector; infrared film. [PJC]

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OXFORD DICTIONARY

infrared, adj.
1 having a wavelength just greater than the red end of the visible light spectrum but less than that of radio waves.
2 of or using such radiation.

For further exploring for "infrared" in Webster Dictionary Online