English Explanatory Dictionary

sigmoid

English dictionary entry

Meanings

adj
  1. Semi-circular, like the uncial or lunate sigma (similar to English C).
  2. Curved in two directions, like the letter "S", or the Greek ς (sigma); having a serpentine shape.
  3. Exhibiting logistic growth; having a graph that accelerates until it reaches a carrying capacity.
  4. Relating to the sigmoid colon.
noun
  1. Ellipsis of sigmoid colon.
  2. Ellipsis of sigmoid function.

Pronunciation

/ˈsɪɡ.mɔɪd/ en-us-sigmoid.ogg /ˈsɪɡ.moɪd/ /ˈsəɡ.moɪd/

Word forms

sigmoid more sigmoid most sigmoid sigmoids

Etymology

Etymology tree Ancient Greek σῖγμᾰ (sîgmă) Ancient Greek -ο- (-o-) Proto-Indo-European *weyd- Proto-Indo-European *-os Proto-Indo-European *wéydos Proto-Hellenic *wéidos Ancient Greek εἶδος (eîdos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ειδής (-eidḗs) Ancient Greek σῑγμοειδής (sīgmoeidḗs)bor. English sigmoid Borrowing from Ancient Greek σῑγμοειδής (sīgmoeidḗs, “of the shape of sigma”), from σῖγμᾰ (sîgmă, “sigma”) + -ο- (-o-) + -ειδής (-eidḗs, “-oid, -like”); Equivalent to sigma + -oid. Compare with French sigmoïde.

Synonyms

S-shaped sigmoidal

Derived words

parasigmoid rectosigmoid retrosigmoid sigmoid colon sigmoid flexure sigmoid function sigmoidicity sigmoidity sigmoidly sigmoid notch sigmoid sinus subsigmoid hysterocolposigmoidectomy megasigmoid mesosigmoid proctosigmoidectomy proctosigmoiditis proctosigmoidoscopy rectosigmoiditis sigmoidal sigmoidectomy sigmoiditis sigmoidocele sigmoidopexy sigmoidoscope sigmoidoscopic sigmoidoscopy sigmoidostomy ureterosigmoidostomy

Translations

Catalan: sigmoide Chinese Mandarin: 乙狀 /乙状 Indonesian: sigmoid Spanish: sigmoideo
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