trifocal
Americanadjective
-
Optics. having three foci.
-
(of an eyeglass lens) having three portions, one for near, one for intermediate, and one for far vision.
noun
adjective
-
having three focuses
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having three focal lengths
noun
Etymology
Origin of trifocal
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
However, the shooting happened at night, and one witness had poor vision and wore trifocal lenses.
From Los Angeles Times
Flores’ girlfriend, who wore glasses with trifocal lenses, picked out Palacios.
From Los Angeles Times
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 Fox News
Americans would do well to view anti-Semitism with a trifocal lens.
From Seattle Times
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 New York Times
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
