The electromagnetic spectrum, broken by a specific pattern of dark lines or bands, observed when radiation traverses a particular absorbing medium and through a spectroscope. The absorption pattern of an element is unique and can be used to identify the substance of the medium.
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 to analyze the gas or liquid chemically.
The range of frequencies of electromagnetic radiation readily absorbed by a substance by virtue of its chemical composition.
(physics) The characteristic pattern of dark lines or bands that occurs when electromagnetic radiation is passed through an absorbing medium into a spectroscope.
Other Word Forms
Absorption-spectrum Sentence Examples
It is conspicuous by its absorption spectrum in many of the white stars.
Mention may be made of the absorption spectrum of benzene.
The salts show a characteristic absorption spectrum.
Its salts are reddish violet in colour, and give a characteristic absorption spectrum.
The experiment proves only the transparency of the gases experimented upon, and this is confirmed by the fact that bodies like bromine and iodine give on heating an emission spectrum corresponding to the absorption spectrum seen at ordinary temperatures.