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English definition of “bifocals”

bifocals

noun [plural] uk   /ˌbaɪˈfəʊ.kəlz/ us    /-ˈfoʊ-/
glasses with lenses that are divided into two parts. The upper half is for looking at things far away and the lower half is for reading or for looking at things that are near.
bifocal
adjective uk   /-kəl/ us  
bifocal lenses
(Definition of bifocals from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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