Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
optical brightener
optical character reader
optical character recognition
optical computer
optical disk
optical double star
optical fiber
optical glass
optical illusion
optical isomerism
optical mouse
optical rotation
optical scanner
optical semiconductor
optical sound
optical tweezers
optician
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

optic chiasma
op·tic chi·as·ma (plural op·tic chi·as·mas)


noun 
Definition:
 
area of brain: the X-shaped nerve tract beneath the brain where the optic nerves from each eye meet and that enables some of their constituent nerve fibers to cross sides
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft