sigmoid
- Adjective. (geometry) Curved in two directions, like the letter "S", or the Greek ς (sigma).
- Adjective. (context, geometry) Semi-circular, like the lunar sigma (similar to English C).
- Adjective. (anatomy) Relating to the sigmoid flexure of the large intestine.
- Noun. (mathematics) A function having a graph whose shape is sigmoid. See Wikipedia, [http://mathworld.wolfram.com/SigmoidFunction.html Mathworld].
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This entry was last updated on RefTopia from its source on 3/20/2012.