megascopic

adjective

mega·​scop·​ic ˌme-gə-ˈskä-pik 

1

: macroscopic sense 1

2

: based on or relating to observations made with the unaided eye

megascopically

ˌme-gə-ˈskä-pi-k(ə-)lē 

adverb

Word History

Etymology

mega- + -scopic (as in microscopic)

First Known Use

1879, in the meaning defined at sense 1