bifocal
Having two focal lengthsHaving two focal lengths.
US/bˈaɪfoʊkəl/
» For instance, he invented bifocal lenses because it annoyed him to switch glasses depending on what he wanted to see.
Значение
значений: 2(без степеней сравнения)Having two focal lengths.
having two foci
(без степеней сравнения)Divided into two parts, one of which corrects for distance vision and the other for near vision.
Примеры
предложений: 1For instance, he invented bifocal lenses because it annoyed him to switch glasses depending on what he wanted to see.
Происхождение
By surface analysis, bi- + focal, or, by surface analysis, bi- + foc(us) + -al.By surface analysis, bi- + focal, or, by surface analysis, bi- + foc(us) + -al.
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Однокоренные
связанных слов: 3Производныеbifocality