1. Of or pertaining to the microscope or to microscopy; made with a microscope; as, microscopic observation. [ 1913 Webster ]
2. Able to see extremely minute objects. [ 1913 Webster ]
Why has not man a microscopic eye? Pope. [ 1913 Webster ]
3. Very small. Specifically, visible only by the aid of a microscope; as, a microscopic insect; also used figuratively; as, a microscopic advantage. [ 1913 Webster +PJC ]