[ fôr-mā′shē-ō ]
n. pl. for•ma•ti•o•nes (-mā′shē-ō′nēz)
A structure of definite shape or cellular arrangement; a formation.
CAN YOU ACE THIS QUIZ ABOUT “COMPLIMENT” VS. “COMPLEMENT”?
Take this quiz to see if you really know the difference between “compliment” and “complement"!
Question 1 of 11
“Compliment” and “complement” had a shared meaning a long time ago, but today they are no longer interchangeable.
Words nearby formatio
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Example sentences from the Web for formatio
The formatio reticularis which is feebly developed in the cord becomes well developed in the medulla.