virus
5 letters · noun · scores 800 in SpellHuntr
noun
(virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein
Virus in a sentence
Some viruses, such as norovirus, cause sporadic outbreaks of gastroenteritis.
Under electron microscopy, a few viruses were seen floating near the cells.
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