presymptomatic
Americanadjective
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Medicine/Medical. relating to the early stages of a disease or illness before symptoms appear.
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Medicine/Medical. before developing symptoms of an illness or disease.
Other Word Forms
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.
New data showing Zolgensma’s substantial benefits for presymptomatic children made the drug cost-effective at prices up to $1.9 million by one benchmark and up to $2.1 million by another, it said.
From Salon • Feb. 19, 2025
Stage 3 is roughly equivalent to the current presymptomatic stage known as mild cognitive impairment, while stages 4, 5, and 6 are equivalent to mild, moderate and severe dementia.
From Reuters • Jul. 16, 2023
The first is a presymptomatic phase of 15 to 25 years during which amyloid builds up in the cerebral cortex, the brain’s outermost layer, in the absence of cognitive symptoms.
From Scientific American • Jul. 26, 2021
“There is ample evidence that presymptomatic people commonly infect others,” wrote Eric Topol in a thread on Twitter parsing the difference between the two terms.
From Slate • Jun. 9, 2020
This is not the only study to raise concerns about the large numbers of presymptomatic or asymptomatic infected people.
From Los Angeles Times • May 26, 2020
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
