absorption spectrum
noun Physics.
the spectrum formed by electromagnetic radiation that has passed through a medium in which radiation of certain frequencies is absorbed.
Origin of absorption spectrum
First recorded in 1875–80
Words nearby absorption spectrum
absorption coefficient,
absorption costing,
absorption dynamometer,
absorption edge,
absorption hygrometer,
absorption spectrum,
absorptive,
absorptivity,
absquatulate,
abstain,
abstainer
Example sentences from the Web for absorption spectrum
It seems related to both almandine and pyrope, and shows the absorption-spectrum of almandine.
British Dictionary definitions for absorption spectrum
absorption spectrum
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
Medical definitions for absorption spectrum
absorption spectrum
n.
The electromagnetic spectrum, broken by a specific pattern of dark lines or bands, observed when radiation traverses a particular absorbing medium.
Scientific definitions for absorption spectrum
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.