Absorption spectrum
the spectrum formed by electromagnetic radiation that has p-ssed 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 p-ssed 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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