sigmoid [sig-moid] ExamplesWord Origin adjective
- shaped like the letter C.
- shaped like the letter S.
- of, relating to, or situated near the of the large intestine.
Sometimes sig·moi·dal [sig-moi-dl] /sɪgˈmɔɪ dl/. Origin of sigmoid First recorded in 1660–70, sigmoid is from the Greek word sigmoeidḗs shaped like a sigma. See, Related formssig·moi·dal·ly, adverbpost·sig·moid, adjectivepost·sig·moi·dal, adjective Examples from the Web for sigmoidal Historical Examples of sigmoidal
A sigmoidal fold, showing a bed xx in an overfold with arch (a), trough (t) and common limb c.
J. E. Marr
British Dictionary definitions for sigmoidal sigmoid adjective Also: sigmoidal
- shaped like the letter S
- of or relating to the sigmoid colon of the large intestine
Word Origin for sigmoid C17: from Greek sigmoeidēs sigma-shaped Word Origin and History for sigmoidal sigmoid adj.
“shaped like a C” (1660s) or “shaped like an S” (1786), from(q.v.) + . Especially of the flexure of the colon (1891).
sigmoidal in Medicine sigmoid [sĭg′moid′] adj.
- Having the shape of the letter S.
- Of or relating to the sigmoid flexure of the colon.