1

bifocal

adjective bi·fo·cal \ ˈbī-ˌfō-kəl \
Updated on: 17 Nov 2017

Definition of bifocal

1 : having two focal lengths
2 : having one part that corrects for near vision and one for distant vision
  • a bifocal eyeglass lens

Recent Examples of bifocal from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bifocal.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of bifocal

International Scientific Vocabulary


2

bifocal

noun

Definition of bifocal

1 bifocals plural : eyeglasses with bifocal lenses
2 : a bifocal glass or lens

Recent Examples of bifocal from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bifocal.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of bifocal

1896


BIFOCAL Defined for English Language Learners

bifocal

adjective

Definition of bifocal for English Language Learners

  • of eyeglasses : divided into two parts that help a person to see things that are nearby and things that are far away


Medical Dictionary

1

bifocal

adjective bi·fo·cal \ (ˈ)bī-ˈfō-kəl \

medical Definition of bifocal

1 : having two focal lengths
2 : having one part that corrects for near vision and one for distant vision
  • a bifocal eyeglass lens

2

bifocal

noun

medical Definition of bifocal

1 : a bifocal glass or lens
2 bifocals plural : eyeglasses with bifocal lenses

Learn More about bifocal


Seen and Heard

What made you want to look up bifocal? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

sticky or viscid

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!