Of or pertaining to atoms or to atomism.
Divided into separate elements; not holistic.
Of a market: divided such that no single actor can noticeably affect market-wide values such as the price; competitive.
Of, or relating to microscopes or microscopy; microscopal
Carried out with great attention to detail.
So small that it can only be seen using a microscope.
Able to see extremely minute objects.
Very small; minute