tridimensional[trī′də men′s̸hə nəl]
tridimensional definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
of or having three dimensions; having depth as well as length and width
tridimensional definition by American Heritage Dictionary
Of, relating to, or having three dimensions.