Showing results for semilunar. Search instead for solilunar.

semilunar

American

[sem-ee-loo-ner, sem-ahy-] / ˌsɛm iˈlu nər, ˌsɛm aɪ- /

adjective

shaped like a half-moon; crescent.

semilunar British

/ ˌsɛmɪˈluːnə /

adjective

shaped like a crescent or half-moon

"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

presemilunar

adjective

Etymology

Origin of semilunar

First recorded in 1590–1600; semi- + lunar

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.

See Examples For:

semilunar

After blood passes through the pulmonary arteries, the right semilunar valves close preventing the blood from flowing backwards into the right ventricle.

From Textbooks ● Jun. 9, 2022

The semilunar valves close to prevent backflow into the heart.

From Textbooks ● Jun. 19, 2013

At the base of the aorta is the aortic semilunar valve that prevents backflow of blood into the left ventricle while the heart is relaxing.

From Textbooks ● Jun. 19, 2013

The pulmonary valve is located at the base of the pulmonary trunk, and the left semilunar valve is located at the base of the aorta.

From Textbooks ● Jun. 19, 2013

The semilunar valves of the pulmonary artery had their bases slightly ossified, and the remaining part thickened.

From Cases of Organic Diseases of the Heart by John Collins Warren

Random Word

Spin the wheel and learn a new word!

Get a word

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