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.
Advertisement
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.
Advertisement
Advertisement