Definition of bifocal
(Entry 1 of 2)
1
: having two focal lengths
2
: having one part that corrects for near vision and one for distant vision
a bifocal eyeglass lens
bifocal
nounDefinition of bifocal (Entry 2 of 2)
1
bifocals plural
: eyeglasses with bifocal lenses
2
: a bifocal glass or lens
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Merriam-Webster unabridged
Share bifocal
Time Traveler for bifocal
The first known use of bifocal was in 1826
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