- The definition of a substage is a device that supports mirrors and other attachments under the common stage of a compound microscope.
An example of a substage is what holds a mirror in order to see what is on the slide of a microscope.
substage 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.
- any subdivision or part of a stage
- the part of a microscope located below the stage to which a mirror, light, etc. can be attached
substage definition by American Heritage Dictionary
The part of a microscope located below the stage on which attachments are held in place.