Definition of "sigmoidal" []

• Characterized by a sigmoid curve or function (adjective)

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• ""This is called a sigmoidal response, which does not follow in a linear fashion the dose of ATc," Balázsi said."
• "Moreover, this combination of relative win chance and multiplicative update rule is equivalent to the combination of a sigmoidal win chance and additive update rule as employed in the Elo-rating method."
• "They still insisted that I have a sigmoidal arcoscopy no idea how to spell it but it appeared to be a giant fibre optic camera on a flexi tube that they rammed into my lower cut."