Pronunciation: /əbˈsɔrpʃən laɪn/
noun A line in a spectrum produced by the absorption of light at a particular wavelength, indicating the presence of a specific element or molecule
A1 An absorption line is a dark line in a spectrum.
A2 Scientists use absorption lines to study the composition of stars.
B1 The absorption line in the spectrum indicated the presence of certain elements.
B2 Analyzing absorption lines can provide valuable information about the atmosphere of a planet.
C1 Advanced telescopes can detect very faint absorption lines in distant galaxies.
C2 Researchers are able to measure the redshift of galaxies by studying absorption lines in their spectra.
formal The scientist analyzed the absorption line in the spectrum to determine the composition of the star.
informal I found it interesting how the absorption line in the graph changed as we adjusted the variables.
slang Check out the absorption line on this chart, it's pretty cool.
figurative The absence of laughter in the room was like an absorption line, sucking up all the joy.
absorption lines
more absorption line
most absorption line
absorption line
will be absorption line
has been absorption line
is being absorption line
absorption line
absorption line
to absorb line
absorbing line
absorbed line