amniotic

American

[am-nee-ot-ik] / ˌæm niˈɒt ɪk /

Also amnionic

adjective

Anatomy, Zoology.

of, relating to, or having an amnion.

amniotic British

/ ˌæmnɪˈɒtɪk /

adjective

of or relating to the amnion

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

postamniotic

adjective

Etymology

Origin of amniotic

First recorded in 1815–25; amni(on) + -otic

Vocabulary lists containing amniotic

Animals (Zoology) - High School

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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.

In a dark room, a doctor pointed to an hourglass shape glowing on the ultrasound screen: There was her amniotic sac, funneling into her dilated cervix, and there was their tiny daughter’s foot, dipping out.

From Salon • May 27, 2026

Then came the worst part: I passed the amniotic sac.

From The Wall Street Journal • May 13, 2026

Izabela, 30, was at a hospital in Pszczyna, in southern Poland, after her amniotic fluid broke.

From Barron's • Mar. 3, 2026

Six weeks ago, she lost a lot of amniotic fluid, putting her baby in danger.

From BBC • Jun. 3, 2025

Inside the womb, the baby hears the mother’s heartbeat, the rushing sound of amniotic fluid and the mother’s voice.

From "Music and the Child" by Natalie Sarrazin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023