The word "micros" has a variety of synonyms that can be used to describe small or microscopic objects, organisms, or structures. Some synonyms include "microorganisms," "microbes," "microscopic particles," "microbeads," "microliths," and "microscopic organisms." Other synonyms that can be used in place of "micros" include "minuscule," "tiny," "small-scale," "pint-sized," and "petite." These synonyms can be useful when writing scientific papers, describing the size of an object or cell, or referring to small things in general. Using synonyms can help to avoid repetition and adds variety to your writing.