Meaning & use
amoeba
Last updated
A single-celled organism that constantly changes shape and moves by extending temporary projections called pseudopods.
See it in a sentence
Students observed an amoeba engulfing a smaller organism under the microscope.
Some amoebas can cause serious infections when they enter the human body.
A note on using this word
Also spelled 'ameba' in American English; the name comes from Greek 'amoibe,' meaning change.
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