{ Meg′a‐scop″ic (?), Meg′a‐scop″ic‐al (?) }, a. 1. (Physics) Of or pertaining to the megascope or the projection upon a screen of images of opaque objects. (b) Enlarged or magnified; — said of images or of photographic pictures, etc.
2. (Geol.) 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.