Meanings
adjectivesigmoidal (comparative more sigmoidal, superlative most sigmoidal)
comparative more sigmoidal · superlative most sigmoidal
- mathematicsCharacterized by a sigmoid curve or function
The requirement […] typically results in a sigmoidal dependence on [ATP] 38 —the hallmark of binding cooperativity.
2009 January 7, Jeffrey R. Moffitt et al., “Intersubunit coordination in a homomeric ring ATPase”, in Nature, volume 457, number 7228, →DOI
Synonyms & antonyms
adjectiveof or relating to the sigmoid flexure in the large intestine
Similar
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Ancient Greekσῖγμᾰ (sîgmă)
- Proto-Indo-European*weyd-
- Proto-Indo-European*wéydos
- Proto-Hellenic*wéidos
- Ancient Greekεἶδος (eîdos)
- Ancient Greekσῑγμοειδής (sīgmoeidḗs)
- Englishsigmoid
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Englishsigmoidal
Rhymes & wordplay
Rhymes with sigmoidal
colloidalsinusoidaltoroidalsteroidalnonsteroidaltrapezoidalellipsoidalchoroidalspheroidalhemorrhoidalcuboidalsolenoidalasteroidaladenoidalaliethmoidalalkaloidalamygdaloidalbotryoidalchancroidalcoccoidalconchoidalconoidalcrinoidalcrystalloidal
All rhymes →Anagrams
Cite this entry
APA
sigmoidal. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/sigmoidal
MLA
“sigmoidal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sigmoidal. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “sigmoidal,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/sigmoidal.
Source: sigmoidal on Wiktionary, CC BY-SA 4.0.