Definition of varifocal adjective from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈveərɪfəʊkl//
; NAmE NAmE//ˈverɪfoʊkl//
[only before noun]
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varifocal glasses have lenses which vary in thickness from the upper part to the lower part. The upper part is for looking at things at a distance, and the lower part is for looking at things that are close to you. varifocal lenses compare bifocal