amoeba
amoeba Lexical Profile
amoeba Game Scores & Validity
• noun
Something or someone viewed as formless, constantly shifting in structure, or lacking intellect, definite character, or clear boundaries.
"The sprawling metropolitan area grew like a giant amoeba, absorbing surrounding towns without any coherent urban plan."
In traditional or informal classification, a primitive, shapeless microscopic water creature once grouped among the lowest animalcules or protozoan animals, noted for reproducing by binary fission and lacking fixed organs or a permanent body outline.
"Early naturalists marveled at the humble amoeba as one of the simplest living creatures in the pond ecosystem."
A microscopic, single-celled eukaryotic organism belonging to the genus Amoeba or related protozoan groups, inhabiting freshwater, marine environments, damp soil, or host organisms, and characterized by an irregular, constantly changing body shape that moves and engulfs food using temporary cytoplasmic extensions called pseudopodia.
Word Nuance & Usage
Both the regular plural "amoebas" and the Latinate plural "amoebae" are standard, though "amoebae" is often preferred in formal biological and medical contexts. In American medical writing, the variant spelling "ameba" is also occasionally encountered.
• Rhymes for amoeba
Word Origin & Etymology
Borrowed in the mid-19th century from Modern Latin Amoeba, which was coined by the German naturalist Christian Gottfried Ehrenberg from the Ancient Greek word amoibe, meaning "change" or "alternation," in reference to the organism's constantly shifting shape.
Usage Trend
Historical frequency of usage in published text.