Meaning & use
spirilla
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The plural of spirillum, a type of bacterium with a rigid, spiral-shaped cell body.
See it in a sentence
Under the microscope, the spirilla appeared as thin, corkscrew-shaped organisms.
Researchers isolated several spirilla from a stagnant pond water sample.
A note on using this word
Spirilla is a Latin plural form; the singular is "spirillum," and both terms belong to formal microbiology vocabulary.
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