bifocal

B3I1F4O1C3A1L1

adjective

Having two focal lengths.

Similar
central
Less commonScrabble 14
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Meanings

adjectivebifocal (not comparable)
  1. not comparableengineeringHaving two focal lengths.

    His hair is black and well greased, with individual strands of gray, and he wears wire-rimmed bifocals with a subtle brownish tint.

    1992, Neal Stephenson, Snow Crash, page 183
  2. not comparableDivided into two parts, one of which corrects for distance vision and the other for near vision.

Synonyms & antonyms

adjectivehaving two foci

Similar
central
Also see
central

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

By surface analysis, bi- + focal, or, by surface analysis, bi- + foc(us) + -al.

Full word history & related roots →
Cite this entry
APA

bifocal. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/bifocal

MLA

“bifocal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/bifocal. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “bifocal,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/bifocal.

Source: bifocal on Wiktionary, CC BY-SA 4.0.