Atomic
Part of speech: adjective
Definition: Of, or relating to atoms Of, or employing nuclear energy or processes Infinitesimally small Unable to be split or made any smaller Said of an operation that is guaranteed to either complete fully, or not at all.
Example sentence: When you see something that is technically sweet, you go ahead and do it and you argue about what to do about it only after you have had your technical success. That is the way it was with the atomic bomb.
Microscopical
Part of speech: adjective
Definition: microscopic (all senses)