add. ·adj enlarged or magnified;
said of images or of photographic pictures, ·etc.
2. megascopical ·add. ·adj of or pertaining to the megascope or the projection upon a screen of images of opaque objects.
3. megascopical ·add. ·adj large enough to be seen;
said of the larger structural features and components of rocks which do not require the use of the microscope to be perceived. opposed to microscopic.