Trifocal Definition

trī-fōkəl, trīfō-
adjective
Adjusted to three different focal lengths.
Webster's New World
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.
American Heritage Medicine
noun
A lens having three focal lengths.
American Heritage Medicine
A lens like a bifocal but with an additional narrow area ground to adjust the intermediate focus for objects at c. 76 cm (c. 30 in)
Webster's New World
Eyeglasses having trifocal lenses.
American Heritage Medicine

Trifocal Sentence Examples

  • It arises in the estimation of entities such as the fundamental matrix, homography matrix, and the trifocal tensor, among others.

  • One upgrade to consider is a trifocal lens, which will allow you to more easily monitor your speed and see things that are at those in-between distances (not too far away, or less than arms' length).

  • Trifocal lenses are, as mentioned above, offer one more step between map reading and looking into the distance for driving.

  • Inventor John Hawkins created the trifocal lens.

  • Improving upon the bifocal and trifocal concepts, a new lens called Varilux was born.

More Sentences

Find Similar Words

Find similar words to trifocal using the buttons below.

Words Starting With

TTRTRI

Words Ending With

LALCAL

Unscrambles

trifocal

Words Starting With T and Ending With L

Starts With T & Ends With LStarts With TR & Ends With LStarts With T & Ends With AL

Word Length

8 Letter Words8 Letter Words Starting With T8 Letter Words Ending With L