Found 2 items, similar to bifocal.
English → English (WordNet)
Definition: bifocal
bifocal
adj : having two foci;
“bifocal eyeglasses”
English → English (gcide)
Definition: Bifocal
Bifocal
\Bi"fo`cal\, a. [Pref. bi-+ focal.]
Having two foci, as some spectacle lenses.
[Webster 1913 Suppl.]
Bifocal
\Bi"fo`cal\, n. [Pref. bi-+ focal.]
a bifocal lens.
[PJC]