trifocals in English
noun
eyeglasses with trifocal lenses, eyeglasses having lenses with three focal lengths
Use "trifocals" in a sentence
Below are sample sentences containing the word "trifocals" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "trifocals", or refer to the context using the word "trifocals" in the English Dictionary.
1. Bifocals contain two lens powers; trifocals have three
2. Bifocals and trifocals have visible lines, but the line in a round-seg Bifocal tends to be less noticeable than the lines in flat-top and Executive styles