adj
Meaning 1
sigmoid; S-shaped.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Standard Lemma guide
sigmoidal
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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rhymes with -ɔɪdəl
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CMU ARPABET: S IH2 G M OY1 D AH0 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
adj
Meaning 2
Characterized by a sigmoid curve or function
Definition source: English Wiktionary via Wiktextract
Topics: mathematics, sciences, statistics
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
noun
Meaning 3
A sigmoidal function or curve
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
adjective
Meaning 4
of or relating to the sigmoid flexure in the large intestine
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: sigmoid
Antonyms: none provided
History
Etymology
Etymology tree Ancient Greek σῖγμᾰ (sîgmă) Ancient Greek -ο- (-o-) Proto-Indo-European *weyd- Proto-Indo-European *-os Proto-Indo-European *wéydos Proto-Hellenic *wéidos Ancient Greek εἶδος (eîdos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ειδής (-eidḗs) Ancient Greek σῑγμοειδής (sīgmoeidḗs)bor. English sigmoid English -al English sigmoidal From sigmoid + -al.