achromatic lens

noun

Definition of achromatic lens

: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

First Known Use of achromatic lens

1796


Medical Dictionary

achromatic lens

noun

medical Definition of achromatic lens

: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

spoken rather than written

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one-green-toy-robot-amidst-many-red-toy-robots
  • Which of these words does not mean "nonsense"?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

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!