/ Thesaurus / D Synonyms of dark adaptation Find synonyms for: Noun1. dark adaptation, adaptationusage: the process of adjusting the eyes to low levels of illumination; cones adapt first; rods continue to adapt for up to four hoursWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: mongrel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language