DEFINITION By Nugent, Pam M.S. - April 7, 2013 Optics. Clarity of a reproduced image. Compare resolution. DEFINITION: "Joe had good definition of sight and didn't need glasses." Related Psychology Terms CATOPTRICS CATOPTRICS DIOPTRICS RETINAL IMAGE DESTRUCTIVE CONFLICT RESOLUTION SELF-IMAGE CONFLICT RESOLUTION REPRODUCTIVE IMAGE SEMANTICS BODY CONCEPT Cite this page: Nugent, Pam M.S., "DEFINITION," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/definition/ (accessed January 16, 2019).