sigmoidoscope

American

[sig-moi-duh-skohp] / sɪgˈmɔɪ dəˌskoʊp /

noun

a rigid or flexible endoscope for visual examination of the rectum and sigmoid colon.

sigmoidoscope British

/ ˌsɪɡmɔɪdˈɒskəpɪ, sɪɡˌmɔɪdəˈskɒpɪk, sɪɡˈmɔɪdəˌskəʊp /

noun

an instrument incorporating a light for the direct observation of the colon, rectum, and sigmoid flexure

"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

sigmoidoscopic adjective
sigmoidoscopist noun
sigmoidoscopy noun

Etymology

Origin of sigmoidoscope

1900–05; sigmoid ( flexure ) + -o- + -scope

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.

For decades, oncologists have debated the merits of screening for colorectal cancer with a sigmoidoscope, and the new National Cancer Institute study aims to put this long-standing debate to rest.

From Nature

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