sigmoid

Fetched 2026-10-26 (cache).

Synonyms: sigmod, sigmond

Antonyms: sigmod, sigmond

Related words from Datamuse; suggestions, not definitions.

Adjective

1. {{lb|en|archaic}} [[semi-circular|Semi-circular]], like the [[uncial]] or [[lunate sigma]] (similar to [[English]] [[C]]). {{C|en|Curves}}
2. [[curve|Curve]]d in two [[direction]]s, like the letter "[[S]]", or the [[Greek]] [[ς]] ([[sigma]]); having a [[serpentine]] shape.
3. {{lb|en|anatomy}} Relating to the [[sigmoid colon]].

Noun

1. {{lb|en|anatomy}} {{ellipsis of|en|sigmoid colon}}.
2. {{lb|en|mathematics}} {{ellipsis of|en|sigmoid function}}.<ref>{{cite-web|date=July 19 2021|author={{w|Eric W. Weisstein}}|entry=Sigmoid Function|work={{w|Mathworld}}|entryurl=https://mathworld.wolfram.com/SigmoidFunction.html}}</ref>

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.