The term "amnic" pertains to anything that is related to rivers. Synonyms for this word include "fluvial," which refers to the natural process or features of a river, and "aquatic," which denotes anything that lives or thrives in water. Other possible synonyms for "amnic" include "waterborne," "riparian," "streambed," and "hydrological." Each of these words describes something that is related to or affected by water. Whether it's the organisms living in a river or the sediment carried along its currents, the term "amnic" is a versatile word that can be used to describe a wide range of phenomena related to flowing water.