| NOUN | object | prion | (microbiology) an infectious protein particle similar to a virus but lacking nucleic acid |
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| Meaning | (microbiology) an infectious protein particle similar to a virus but lacking nucleic acid; thought to be the agent responsible for scrapie and other degenerative diseases of the nervous system. | |
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| Category | microbiology | The branch of biology that studies microorganisms and their effects on humans |
| Broader | particle, subatomic particle | A body having finite mass and internal structure but negligible dimensions |
| Spanish | prion, prión | |
| Catalan | prió | |
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