preterm

adjective

pre·​term (ˌ)prē-ˈtərm How to pronounce preterm (audio)
ˈprē-ˌtərm
: of, relating to, being, or brought forth by premature birth
a preterm infant
preterm labor

Examples of preterm in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
However, preterm formulas are a vital necessity. Alexander Crider, Chicago Tribune, 17 Apr. 2026 The rate of preterm births was unchanged. Selena Simmons-Duffin, NPR, 9 Apr. 2026 In the market for preterm nutrition, Abbott and Mead Johnson compete with each other, not against the use of human milk, the companies told KFF Health News. David Hilzenrath, Miami Herald, 9 Apr. 2026 More than half of all twin pregnancies result in preterm births, according to a news release. Alexa Herrera, CBS News, 7 Apr. 2026 See All Example Sentences for preterm

Word History

First Known Use

1928, in the meaning defined above

Time Traveler
The first known use of preterm was in 1928

Browse Nearby Words

Cite this Entry

“Preterm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/preterm. Accessed 24 Apr. 2026.

Medical Definition

preterm

adjective
pre·​term -ˈtərm How to pronounce preterm (audio)
: of, relating to, being, or born by premature birth
preterm infants
a preterm delivery
preterm labor
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