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infra-red spectrum

См. также в других словарях:

  • infra-red — noun /ɪnfrə ˈrɛd / (say infruh red) 1. the part of the electromagnetic spectrum contiguous to the red end of the visible spectrum, comprising radiation of greater wavelength than that of red light. –adjective /ˈɪnfrə rɛd / (say infruh red) 2.… …  

  • infra-red absorption spectrum — infraraudonosios spinduliuotės sugerties spektras statusas T sritis fizika atitikmenys: angl. infra red absorption spectrum; IR absorption spectrum vok. Infrarot Absorptionsspektrum, n; IR Absorptionsspektrum, n rus. инфракрасный спектр… …   Fizikos terminų žodynas

  • Infra-red — Infrared In fra*red , Infra red In fra red , a. [Infra + red.] 1. (Physics) 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… …   The Collaborative International Dictionary of English

  • infra red — invisible rays just beyond the red of the visible spectrum that have a penetrating heating effect …   English contemporary dictionary

  • near infra-red — /ˌnɪər ɪnfrə ˈrɛd/ (say .nearr infruh red) noun 1. the part of the electromagnetic spectrum with wavelengths just above those of visible red, about 800 millimicrons, to about 2.5 microns. –adjective 2. of or relating to this part of the… …  

  • far infra-red — /ˌfar ɪnfrə ˈrɛd/ (say .fahr infruh red) noun 1. the part of the electromagnetic spectrum with wavelengths approximately between about 20 microns and about 1 millimetre. –adjective 2. of or relating to this part of the electromagnetic spectrum.… …  

  • spectrum —   n. (pl. ra) series of images, colours, etc., formed when ray of radiant energy is dispersed into its component parts.    ♦ spectrobolograph, n. photogographic record of lines of infra red spectrum.    ♦ spectrogram, n. representation of a… …   Dictionary of difficult words

  • infra- — [ınfrə] prefix technical [: Latin; Origin: infra below ] below something in a range ▪ the infra red end of the spectrum →↑ultra …   Dictionary of contemporary English

  • infra- — prefix technical below something in a range; beyond: the infra red end of the spectrum compare ultra­ (1) …   Longman dictionary of contemporary English

  • Emission spectrum — The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted by the element s atoms or the compound s molecules when they are returned to a lower energy state. Each element s …   Wikipedia

  • Atomic emission spectrum — The atomic emission spectrum of an element is the set of frequencies of the electromagnetic waves emitted by atoms of that element. Each atom s atomic emission spectrum is unique and can be used to determine if that element is part of an unknown… …   Wikipedia

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