[ sig-moid ]
/ ˈsɪg mɔɪd /
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shaped like the letter C.
shaped like the letter S.
of, relating to, or situated near the sigmoid flexure of the large intestine.
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Sometimes sig·moi·dal [sig-moi-dl] /sɪgˈmɔɪ dl/ .
Origin of sigmoid
OTHER WORDS FROM sigmoidsig·moi·dal·ly, adverbpost·sig·moid, adjectivepost·sig·moi·dal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use sigmoid in a sentence
A sigmoidal fold, showing a bed xx in an overfold with arch (a), trough (t) and common limb c.The Principles of Stratigraphical Geology|J. E. Marr
British Dictionary definitions for sigmoid
/ (ˈsɪɡmɔɪd) /
adjective Also: sigmoidal
shaped like the letter S
of or relating to the sigmoid colon of the large intestine
See sigmoid colon
Word Origin for sigmoid
C17: from Greek sigmoeidēs sigma-shaped
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
Medical definitions for sigmoid
[ sĭg′moid′ ]
Having the shape of the letter S.
Of or relating to the sigmoid flexure of the colon.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.