achromatic lens

noun

Definition of achromatic lens

  1. :  a lens made by combining lenses of different glasses having different focal powers so that the light emerging from the lens forms an image practically free of chromatic aberration

Illustration of achromatic lens

1796

First Known Use of achromatic lens

1796


Medical Dictionary

achromatic lens

noun

Medical Definition of achromatic lens

  1. :  a compound lens made by combining lenses of different glasses (as flint glass and crown glass) with different focal powers so that the light emerging from the lens forms an image almost free from unwanted colors


Learn More about achromatic lens


Seen and Heard

What made you want to look up achromatic lens? 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

to give up a position of power

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • winning-words-from-the-national-spelling-bee-logo
  • Which is the correct spelling of the winning word from 1988?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

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!