sigmoid, sigmoidal
(adjective) of or relating to the sigmoid flexure in the large intestine
Source: WordNet® 3.1
sigmoidal (comparative more sigmoidal, superlative most sigmoidal)
sigmoid; S-shaped.
(statistics) Characterized by a sigmoid curve or function
sigmoidal (plural sigmoidals)
A sigmoidal function or curve
• dialogism
Source: Wiktionary
Sig"moid, Sig*moid"al, a. Etym: [Gr. sigmoïde.]
Definition: Curved in two directions, like the letter S, or the Greek s. Sigmoid flexure (Anat.), the last curve of the colon before it terminates in the rectum. See Illust. under Digestive.
– Sigmoid valves. (Anat.) See Semilunar valves, under Semilunar.
Source: Webster’s Unabridged Dictionary 1913 Edition
14 March 2025
(noun) the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)
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