/ Thesaurus / A Synonyms of absorption band Find synonyms for: Noun1. absorption band, optical phenomenonusage: a dark band in the spectrum of white light that has been transmitted through a substance that exhibits absorption at selective wavelengthsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language