Definitions
(plural) eyeglasses having two focal lengths, one for near vision and the other for far vision
Word origin
From bi- + focal (see focus), coined in 1824 by John Isaac Hawkins, inventor of trifocals. When the concept of bifocals was originally conceived by Benjamin Franklin, he called them double spectacles.
Used in a sentence
“He unfolded a pair of bifocals and thrust them as far up the bridge of his nose as possible.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Two-zone eyeglasses”8 letters
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