˜yÐÄvlog

Advertisement

Advertisement

View synonyms for

trifocal

[ trahy-foh-kuhl, trahy-foh- ]

adjective

  1. Optics. having three foci.
  2. (of an eyeglass lens) having three portions, one for near, one for intermediate, and one for far vision.


noun

  1. trifocals, eyeglasses with trifocal lenses.

trifocal

adjective

  1. having three focuses
  2. having three focal lengths
“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. plural glasses with trifocal lenses
“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Discover More

˜yÐÄvlog History and Origins

Origin of trifocal1

First recorded in 1945–50; tri- + focal
Discover More

Example Sentences

Examples have not been reviewed.

However, the shooting happened at night, and one witness had poor vision and wore trifocal lenses.

From

Flores’ girlfriend, who wore glasses with trifocal lenses, picked out Palacios.

From

I'm really happy about it primarily because I got my cataracts at the best time in America to have cataracts because I got to get the PanOptix Trifocal Lens.

From

Americans would do well to view anti-Semitism with a trifocal lens.

From

The least expensive prescription option is bifocal or trifocal glasses with a visible line separating the top portion of the lens, which corrects for distance if necessary, from the bottom portion, which corrects for presbyopia.

From

Advertisement

Related ˜yÐÄvlogs

Advertisement

Advertisement

Advertisement