Microscopic
Part of speech: adjective
Definition: of, or relating to microscopes or microscopy; microscopal so small that it can only be seen using a microscope very small; minute carried out with great attention to detail
Precise
Part of speech: adjective
Definition: exact, accurateOf experimental results, consistent, clustered close together, agreeing with each other. This does not mean that they cluster near the true, correct, or accurate value.
Example sentence: The difference between a tool and a machine is not capable of very precise distinction; nor is it necessary, in a popular explanation of those terms, to limit very strictly their acceptation.