Amoebas are unicellular organisms that exist in different forms, sizes, and species. Several synonyms for amoebas depend on their particular characteristics and habitat, such as unicellular, microorganism, protist, and microbe. Some specific types of amoebas have distinctive descriptions, such as radiolarian, foraminiferan, or heliozoan, depending on their structure and physical features. Besides, amoebas are protists, which means they are part of the larger category of eukaryotic microorganisms, including ciliates, flagellates, and others. In scientific research, scientists may use these synonyms for amoebas to describe them more precisely and accurately, depending on their intentions and investigations.