poliomyelitis
Americannoun
noun
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A highly communicable infectious disease caused by the poliovirus of the genus Enterovirus that causes inflammation of motor neurons of the spinal cord and brainstem, leading to paralysis, muscular atrophy, and often disability and deformity. Childhood vaccinations are given to prevent infection.
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Also called polio
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President Franklin D. Roosevelt suffered from poliomyelitis. During his presidency, he could not walk unaided.
The history of polio, which went from a major public health problem to a minor one in a short time, is often used as an example of the benefits of medical research.
Other Word Forms
Etymology
Origin of poliomyelitis
1875–80; < New Latin < Greek polió ( s ) gray + New Latin myelitis myelitis
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Other vaccine-preventable diseases would also probably pop up in the coming quarter-century — 190 cases of rubella, 18 of poliomyelitis, eight of diphtheria, according to the Stanford team’s models.
From Los Angeles Times ● Apr. 25, 2025
Polio, officially known as poliomyelitis, is a highly infectious viral disease transmitted mainly through feces in places with poor sanitation.
From New York Times ● Jun. 30, 2023
Experts agree that a vaccinated population is the best defense against poliomyelitis, the technical name for the disease caused by the poliovirus—which can sometimes lead to permanent paralysis.
From Scientific American ● Sep. 29, 2022
Polio is short for "poliomyelitis," a neurological disease caused by a poliovirus infection.
From Salon ● Sep. 20, 2022
It is what physicians used to be engaged in at the bedside of patients with diphtheria, meningitis, poliomyelitis, lobar pneumonia, and all the rest of the infectious diseases that have since come under control.
From "The Lives of a Cell" by Lewis Thomas
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