02836607-n 'eyeglasses having two focal lengths, one for near vision and the other for far vision';
 
English bifocals
Indonesian bifokal
Definitions
Japanese
2つの焦点距離がある眼鏡、近見のための一つと遠見のためのもう片方
English
eyeglasses having two focal lengths, one for near vision and the other for far vision
Relations
Hypernym: spectacles
Semantic Field: artifactn
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Maintainer: Francis Bond <bond@ieee.org>