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1

trifocal

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adjective tri·fo·cal \(ˌ)trī-ˈfō-kəl\

Definition of trifocal

  1. :  having three focal lengths



1826

First Known Use of trifocal

1826

Rhymes with trifocal


2

trifocal

noun tri·fo·cal

Definition of trifocal

  1. 1 plural :  eyeglasses with trifocal lenses

  2. 2 :  a trifocal glass or lens



1899

First Known Use of trifocal

1899


Learn More about trifocal

  1. Medical Dictionary: Definition of "trifocal"


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