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.
Not long after, Hailey died from a rare complication known as amniotic fluid embolism, or AFE. Nicole Fallert, USA Today, 18 Apr. 2025 One of the puppies, who's since earned the name Shamrock, was born with a dark green colored coat due to biliverdin, a bile pigment that sometimes mixes with a pup's amniotic fluid, causing a baby canine to be born green. Rachel Flynn, People.com, 17 Feb. 2025 There is still amniotic fluid surrounding your baby, as well as all the layers of your body, so the sounds heard in utero are muffled because there is no air to carry the sound. Sherri Gordon, Parents, 29 July 2024 Measuring fetal testosterone exposure would require continuous monitoring of levels in the amniotic fluid, which isn’t feasible. Julia Ries, Health, 24 June 2025 See All Example Sentences for amniotic fluid

Word History

First Known Use

1809, in the meaning defined above

Time Traveler
The first known use of amniotic fluid was in 1809

Browse Nearby Words

Cite this Entry

“Amniotic fluid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amniotic%20fluid. Accessed 21 Jul. 2025.

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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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