language note: The form bifocal is used as a modifier.
plural noun
Bifocals are glasses with lenses made in two halves. The top part is for looking at things some distance away, and the bottom part is for reading and looking at things that are close.
Mrs Bierce wears thick bifocal lenses.
bifocals in British English
(baɪˈfəʊkəlz)
plural noun
a pair of spectacles with bifocal lenses
bifocals in American English
(ˈbaɪˌfoʊkəlz)
US
plural noun
eyeglasses with bifocal lenses
Examples of 'bifocals' in a sentence
bifocals
George peered thoughtfully at her through his bifocals.
Maclean, Alistair THE LONELY SEA (2002)
He scratched the end of his nose and blinked behind his bifocals.
Robert Wilson THE COMPANY OF STRANGERS (2002)
The man lifted his thick bifocals over his thinning hair and leaned back in his chair, the frame groaning under his weight.
Terman, Douglas CORMORANT (2002)
What little control he had over his eyes was lost, and the irises hopped madly behind his thick bifocals.
José Latour OUTCAST (2002)
In other languages
bifocals
British English: bifocals /baɪˈfəʊklz/ NOUN
Bifocals are glasses with lenses made in two halves. The top part is for looking at things some distance away, and the bottom part is for reading and looking at things that are close.