microscopic

adjective

1. so small as to be invisible or indistinct without the use of the microscope: microscopic organisms.Compare macroscopic.
2. very small; tiny.
3. of, relating to, or involving a microscope: microscopic investigation.
4. very detailed; meticulous: a microscopic view of society.
5. suggestive of the precise use of the microscope; minute: microscopic exactness.

adjective

1. not large enough to be seen with the naked eye but visible under a microscopeCompare macroscopic
2. very small; minute
3. of, concerned with, or using a microscope
4. characterized by or done with great attention to detail

adj.1732, “like a microscope;” see microscope + -ic. Meaning “of minute size” is from 1760s. Related: Microscopical; microscopically. adj.

1. Too small to be seen by the unaided eye but large enough to be studied under a microscope.
2. Of, relating to, or concerned with a microscope.
3. Being or characterized as exceedingly small; minute.