- absorption bands
- dark bands in the spectrum due to absorption of light by the medium (a solid, a liquid, or a gas) through which the light has passed. Cf. absorption lines, under line.
Medical dictionary. 2011.
absorption bands
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absorption bands — or absorption lines plural noun Dark bands or lines interrupting a spectrum, due to absorption of light in the medium traversed • • • Main Entry: ↑absorb … Useful english dictionary
absorption lines — absorption bands or absorption lines plural noun Dark bands or lines interrupting a spectrum, due to absorption of light in the medium traversed • • • Main Entry: ↑absorb … Useful english dictionary
Absorption band — An absorption band is a range of wavelengths (or, equivalently, frequencies) in the electromagnetic spectrum which are able to excite a particular transition in a substance. See absorption spectrum. Since energetic transitions can take place in… … Wikipedia
Absorption spectroscopy — An overview of electromagnetic radiation absorption. This example discusses the general principle using visible light as a specific example. A white beam source – emitting light of multiple wavelengths – is focused on a sample (the complementary… … Wikipedia
absorption lines — dark lines in the spectrum due to absorption of light by the substance (usually an incandescent gas or vapor) through which the light has passed. Cf. absorption bands … Medical dictionary
absorption spectrum — The system of absorption bands or lines seen when a selectively absorbing substance is placed between a source of white light and a spectroscope … Dictionary of automotive terms
absorption spectrum — n an electromagnetic spectrum in which a decrease in intensity of radiation at specific wavelengths or ranges of wavelengths characteristic of an absorbing substance (as chlorophyll) is manifested esp. as a pattern of dark lines or bands compare… … Medical dictionary
absorption spectrum — n. a spectrum with a pattern of dark bands or lines created when light passes through a gas or liquid into a spectroscope: the chemical elements of the gas or liquid absorb specific wavelengths of light creating a unique pattern which can be used … English World dictionary
Absorption spectrum — Spectrum Spec trum, n.; pl. {Spectra}. [L. See {Specter}.] 1. An apparition; a specter. [Obs.] [1913 Webster] 2. (Opt.) (a) The several colored and other rays of which light is composed, separated by the refraction of a prism or other means, and… … The Collaborative International Dictionary of English
absorption band — noun a dark band in the spectrum of white light that has been transmitted through a substance that exhibits absorption at selective wavelengths • Hypernyms: ↑optical phenomenon * * * noun : a dark band in an absorption spectrum * * * Physics. a… … Useful english dictionary
