optic chiasma

noun

Definition of optic chiasma

: the X-shaped partial decussation on the undersurface of the hypothalamus through which the optic nerves are continuous with the brain

called also optic chiasm

First Known Use of optic chiasma

1872, in the meaning defined above

Keep scrolling for more

Learn More about optic chiasma

Statistics for optic chiasma

Look-up Popularity

Time Traveler for optic chiasma

The first known use of optic chiasma was in 1872

See more words from the same year

Keep scrolling for more

More Definitions for optic chiasma

optic chiasma

noun

Medical Definition of optic chiasma

: the X-shaped partial decussation on the undersurface of the hypothalamus through which the optic nerves are continuous with the brain

called also optic chiasm

Comments on optic chiasma

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

WORD OF THE DAY

involving a confidence or trust

Get Word of the Day daily email!

Test Your Vocabulary

Word Puzzles

  • alt 57589b2b4c6a3
  • Which answer pairs best with each of the following words? living, estate, club, music, road, mile
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

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!