Word Study
amoeba
OXFORD DICTIONARY
amoeba, n. (US ameba) (pl. amoebas or amoebae) any usu. aquatic protozoan of the genus Amoeba, esp. A. proteus, capable of changing shape.
Derivative
amoebic adj. amoeboid adj.
Etymology
mod.L f. Gk amoibe change
THESAURUS
amoeba
Euglena, adenovirus, aerobe, aerobic bacteria, anaerobe, anaerobic bacteria, animalcule, bacillus, bacteria, bacterium, bug, coccus, colon bacillus, diatom, disease-producing microorganism, dyad, echovirus, enterovirus, filterable virus, flagellate, fungus, germ, gram-negative bacteria, gram-positive bacteria, microbe, microorganism, microspore, microzoa, mold, monad, nematode, nonfilterable virus, paramecium, pathogen, picornavirus, protozoa, protozoon, reovirus, rhinovirus, rickettsia, salmonella, saprophyte, spirillum, spirochete, spore, sporozoon, staphylococcus, streptococcus, tetrad, triad, trypanosome, vibrio, virus, volvox, vorticellum, zoosporeFor further exploring for "amoeba" in Webster Dictionary Online