Pronunciation (UK) IPA (key): /ˈɒptɪkəl/ (US) IPA (key): /ˈɑptɪkəl/ Audio (UK)(file) Adjective Positive optical Comparative more optical Superlative most optical If something is optical, it is related to sight, optics or visible light.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads