Noun: bifocals 'bI,fow-kulz [N. Amer], bI'fow-kulz [Brit]
- (plural) eyeglasses having two focal lengths, one for near vision and the other for far vision
"He switched to bifocals when he started having trouble reading small print"
Type of: eyeglasses [N. Amer], glasses, specs, spectacles
Encyclopedia: Bifocals