MICROSCOP'IC MICROSCOP'ICAL, adjective Made by the aid of a microscope; as microscopic observation. 1. Assisted by a microscope. Evading even the microscopic eye. 2. Resembling a microscope; capable of seeing small objects. Why has not man a microscopic eye? 3. Very small; visible only by the aid of a microscope; as a microscopic insect.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI