| slovo | definícia |
bifocal
(encz) | bifocal,bifokální adj: Zdeněk Brož |
bifocal
(encz) | bifocal,dvouohniskový adj: Zdeněk Brož |
Bifocal
(gcide) | Bifocal \Bi"fo`cal\, n. [Pref. bi-+ focal.]
a bifocal lens.
[PJC] |
Bifocal
(gcide) | Bifocal \Bi"fo`cal\, a. [Pref. bi-+ focal.]
Having two foci, as some spectacle lenses.
[Webster 1913 Suppl.] |
bifocal
(wn) | bifocal
adj 1: having two foci; "bifocal eyeglasses" |
| | podobné slovo | definícia |
Bifocal
(gcide) | Bifocal \Bi"fo`cal\, n. [Pref. bi-+ focal.]
a bifocal lens.
[PJC]Bifocal \Bi"fo`cal\, a. [Pref. bi-+ focal.]
Having two foci, as some spectacle lenses.
[Webster 1913 Suppl.] |
Bifocals
(gcide) | Bifocals \Bi"fo`cals\, n. pl. [Pref. bi-+ focal.]
eyeglasses whose lenses have two foci, allowing the wearer to
see both far and nearby objects clearly. The lenses are
partitioned horizontally, the upper and lower parts having
different focal lengths.
[PJC] |
bifocals
(wn) | bifocals
n 1: eyeglasses having two focal lengths, one for near vision
and the other for far vision |
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