amniotic fluid

noun

: the serous fluid in which the embryo or fetus is suspended within the amnion

Examples of amniotic fluid 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.
There was also a decrease in amniotic fluid, which protects the fetus and provides other benefits during pregnancy, the zoo said. Julia Gomez, USA Today, 28 May 2026 The woman suffered from additional complications and polyhydramnios, extra amniotic fluid, and after multiple hospital visits, Louise was told that Pandora's heart had stopped beating. Nicholas Rice, PEOPLE, 23 May 2026 Moments after birth, the cow stands and starts vigorously licking her wet calf — clearing amniotic fluid to ensure the calf’s breathing, stimulating circulation and drying its coat to prevent heat loss. Susan Koch, Chicago Tribune, 8 May 2026 Plus Einesman is unhappy with the way the incision looked — the amniotic fluid should come flooding out of the uterus, and this was more of a puddle. Kathryn Vanarendonk, Vulture, 17 Apr. 2026 See All Example Sentences for amniotic fluid

Word History

First Known Use

1807, in the meaning defined above

Time Traveler
The first known use of amniotic fluid was in 1807

Browse Nearby Words

Cite this Entry

“Amniotic fluid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amniotic%20fluid. Accessed 1 Jun. 2026.

Medical Definition

amniotic fluid

noun
: the serous fluid in which the embryo and fetus is suspended within the amnion

More from Merriam-Webster on amniotic fluid

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster