Megascopic /(?)/

Meg·a·scop·ic

Megascopic

a.
  1. Of or pertaining to the megascope or the projection upon a screen of images of opaque objects. (Physics)
  2. 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. (Geol.)