Dictionary.com
definitions
  • synonyms

absorption spectrum

noun Physics.
  1. the spectrum formed by electromagnetic radiation that has passed through a medium in which radiation of certain frequencies is absorbed.
Show More

Origin of absorption spectrum

First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for absorption spectrum

Historical Examples of absorption spectrum

  • It seems related to both almandine and pyrope, and shows the absorption-spectrum of almandine.

    Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4

    Various


British Dictionary definitions for absorption spectrum

absorption spectrum

noun
  1. 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
Show More
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

absorption spectrum in Medicine

absorption spectrum

n.
  1. The electromagnetic spectrum, broken by a specific pattern of dark lines or bands, observed when radiation traverses a particular absorbing medium.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

absorption spectrum in Science

absorption spectrum

  1. The range of frequencies of electromagnetic radiation readily absorbed by a substance by virtue of its chemical composition. See more at atomic spectrum.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.