| academic | (noun) an educator who works at a college or university | Synonyms: academician, faculty member |
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| endemic | (noun) a plant or animal that is native to a certain limited area | - |
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| (noun) a disease that is constantly present to a greater or lesser degree in people of a certain class or in people living in a particular location | Synonyms: endemic disease |
| epidemic | (noun) a widespread outbreak of an infectious disease; many people are infected at the same time | - |
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| pandemic | (noun) an epidemic that is geographically widespread; occurring throughout a region or even throughout the world | - |
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| polemic | (noun) a controversy (especially over a belief or dogma) | - |
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| (noun) a writer who argues in opposition to others (especially in theology) | Synonyms: polemicist, polemist |