Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Having three focal lengths.
- adjective Having one section that corrects for distant vision, a second section that corrects for medium vision, and a third that corrects for near vision, as an eyeglass lens.
- noun A lens having three focal lengths.
- noun Eyeglasses having trifocal lenses.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective optics Of or pertaining to
corrective lenses that have three different powers pereye .
Etymologies
Sorry, no etymologies found.
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Examples
-
The cost, complete with two pairs of progressive (trifocal blended) lenses (one sunglass type) and the frames was around $2500 pesos.
eye glasses 2009
-
The cost, complete with two pairs of progressive (trifocal blended) lenses (one sunglass type) and the frames was around $2500 pesos.
eye glasses 2009
-
The cost, complete with two pairs of progressive (trifocal blended) lenses (one sunglass type) and the frames was around $2500 pesos.
eye glasses 2009
-
The cost, complete with two pairs of progressive (trifocal blended) lenses (one sunglass type) and the frames was around $2500 pesos.
eye glasses 2009
-
The cost, complete with two pairs of progressive (trifocal blended) lenses (one sunglass type) and the frames was around $2500 pesos.
eye glasses 2009
-
The cost, complete with two pairs of progressive (trifocal blended) lenses (one sunglass type) and the frames was around $2500 pesos.
eye glasses 2009
-
The cost, complete with two pairs of progressive (trifocal blended) lenses (one sunglass type) and the frames was around $2500 pesos.
eye glasses 2009
-
The cost, complete with two pairs of progressive (trifocal blended) lenses (one sunglass type) and the frames was around $2500 pesos.
eye glasses 2009
-
The cost, complete with two pairs of progressive (trifocal blended) lenses (one sunglass type) and the frames was around $2500 pesos.
eye glasses 2009
-
The cost, complete with two pairs of progressive (trifocal blended) lenses (one sunglass type) and the frames was around $2500 pesos.
eye glasses 2009
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