light adaptation

noun

Definition of light adaptation 

: the process including contraction of the pupil and decrease in rhodopsin by which the eye adapts to conditions of increased illumination

Other Words from light adaptation

light-adapted \ˈlīt-ə-ˌdap-təd \ adjective

First Known Use of light adaptation

1900, in the meaning defined above

Keep scrolling for more

Learn More about light adaptation

Share light adaptation

Statistics for light adaptation

Look-up Popularity

Time Traveler for light adaptation

The first known use of light adaptation was in 1900

See more words from the same year

Keep scrolling for more

More Definitions for light adaptation

light adaptation

noun

Medical Definition of light adaptation 

: the adjustments including narrowing of the pupillary opening and decrease in rhodopsin by which the retina of the eye is made efficient as a visual receptor under conditions of strong illumination — compare dark adaptation

Other Words from light adaptation

light-adapted \ˈlīt-ə-ˌdap-təd \ adjective

More from Merriam-Webster on light adaptation

Britannica.com: Encyclopedia article about light adaptation

Comments on light adaptation

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

WORD OF THE DAY

exaggeratedly or childishly emotional

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Spell It

Can you spell these 10 commonly misspelled words?

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!