Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “peritoneal”

peritoneal

adjective uk   /ˌper.ɪ.təˈniː.əl/ us    /ˌper.ɪ.t̬əˈniː.əl/ specialized
relating to the peritoneum (= the membrane on the inside walls of the abdomen and pelvis)Substances and structures in the body
(Definition of peritoneal from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of peritoneal?
Add Cambridge dictionaries to your browser to your website

Word of the Day

beer mat

a small piece of cardboard that you put under a glass to protect a table surface in a pub or bar

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More