sigmoid

IPA: sˈɪgmɔɪd

noun

  • (anatomy) Ellipsis of sigmoid colon. [(anatomy) The S-shaped section of the large intestine between the descending colon and the rectum.]
  • (mathematics) Ellipsis of sigmoid function. [(mathematical analysis, statistics) Any of various real functions whose graph resembles an elongated letter "S"; specifically, the logistic function y=(eˣ)/(eˣ+1)=1/(1+e⁻ˣ).]

adjective

  • (archaic) Semi-circular, like the uncial or lunar sigma (similar to English C).
  • Curved in two directions, like the letter "S", or the Greek ς (sigma); having a serpentine shape.
  • (mathematics) Exhibiting logistic growth; having a graph that accelerates until it reaches a carrying capacity.
  • (anatomy) Relating to the sigmoid colon.
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Examples of "sigmoid" in Sentences

  • Volvulous of Sigmoid colon in a child.
  • D. Sigmoid bend of the transverse sinus.
  • The neck had a pronounced sigmoid curve.
  • I suspect the overall trend is sigmoidal.
  • Hence the curve has a sigmoidal or S shape.
  • The steepness of the sigmoidal curve depends on the value of n.
  • Look at the ikipidia pages for sigmoidal or hemoglobin, for example.
  • Groove for Sigmoid Sinus is a groove in the posterior cranial fossa.
  • That curve is sigmoidal, non cooperative binding curves are hyperbolic.
  • The adult portion is straight or slightly sigmoidal and may be expanded.

Related Links

synonyms for sigmoiddescribing words for sigmoid
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