Absorption spectrum


the spectrum formed by electromagnetic radiation that has passed through a medium in which radiation of certain frequencies is absorbed.
Historical Examples

The liquid is without colour, and gives no absorption spectrum.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 7 Various

This colour possesses an absorption spectrum (figured at p. 55).
Poisons: Their Effects and Detection Alexander Wynter Blyth

It is conspicuous by its absorption spectrum in many of the white stars.
Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 Various

noun
the characteristic pattern of dark lines or bands that occurs when electromagnetic radiation is passed through an absorbing medium into a spectroscope. An equivalent pattern occurs as coloured lines or bands in the emission spectrum of that medium

absorption spectrum n.
The electromagnetic spectrum, broken by a specific pattern of dark lines or bands, observed when radiation traverses a particular absorbing medium.
absorption spectrum
The range of frequencies of electromagnetic radiation readily absorbed by a substance by virtue of its chemical composition. See more at atomic spectrum.

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    able or tending to ; . Historical Examples Their clay seemed like some other kinds, which have their absorptive powers strengthened by the more they take up. The Red Acorn John McElroy Why does under-draining increase the absorptive power of the soil? The Elements of Agriculture George E. Waring Considering epithelium from the point of […]

  • Absorptivity

    the property of a body that determines the fraction of incident radiation or by the body. noun (physics) a measure of the ability of a material to absorb radiation, equal to the internal absorptance of a homogeneous layer of the material under conditions in which the path of the radiation has unit length and the […]

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    absotively modifier Absolutely: I absotively posilutely want to watch the basketball games

  • Absquatulate

    to flee; abscond: The old prospector absquatulated with our picks and shovel. Historical Examples To “vamose the ranch” means to clear out, to depart, to cut stick, to absquatulate. Across America James F. Rusling Then when some one laughed she added, “You say ‘absquatulate’ over here, don’t you?” In the High Valley Susan Coolidge Prudence […]

  • Absquatulation

    to flee; abscond: The old prospector absquatulated with our picks and shovel. verb (intransitive) to leave; decamp noun the action of going away suddenly and squatting somewhere; making off, decamping Examples If the actress does not make an appearance soon, her fans will imagine a total absquatulation. Word Origin an Americanism simulating a Latin formulation […]


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