sigmoid
Appearance
English
[edit]Etymology
[edit]Borrowing from Ancient Greek σῑγμοειδής (sīgmoeidḗs, “of the shape of sigma”), from σῖγμᾰ (sîgma, “sigma”) + -ο- (-o-) + -ειδής (-eidḗs, “-oid, -like”); Equivalent to sigma + -oid. Compare with French sigmoïde.
Pronunciation
[edit]Adjective
[edit]sigmoid (not comparable)
- (archaic) Semi-circular, like the uncial or lunate sigma (similar to English C).
- Curved in two directions, like the letter "S", or the Greek ς (sigma); having a serpentine shape.
- Synonym: (informal) S-shaped
- (mathematics) Exhibiting logistic growth; having a graph that accelerates until it reaches a carrying capacity.
- (anatomy) Relating to the sigmoid colon.
- Synonym: sigmoidal
Derived terms
[edit]Translations
[edit]S-shaped, sigma-shaped
relating to the sigmoid colon
- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
Noun
[edit]sigmoid (plural sigmoids)
- (anatomy) Ellipsis of sigmoid colon.
- (mathematics) Ellipsis of sigmoid function.[1]
- 2023 June 29th, “AI will kill all of us | Eliezer Yudkowsky interview” (16:12–16:28 from the start), in The David Pakman Show[1], spoken by Eliezer Yudkowsky, via YouTube:
- If we had the textbook from a hundred years in the future that contains all the simple ideas that actually work, that take so long to identify in practice — the ReLUs instead of sigmoids — for those of us who’ve been following AI for, like, more than the last couple of years and know what I’m taking about there.
Derived terms
[edit]References
[edit]- “sigmoid”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
- “sigmoid”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
- ^ Eric W. Weisstein (2021 July 19) “Sigmoid Function”, in Mathworld
Romanian
[edit]Etymology
[edit]Borrowed from French sigmoïde.
Adjective
[edit]sigmoid m or n (feminine singular sigmoidă, masculine plural sigmoizi, feminine and neuter plural sigmoide)
Declension
[edit]singular | plural | |||||||
---|---|---|---|---|---|---|---|---|
masculine | neuter | feminine | masculine | neuter | feminine | |||
nominative- accusative |
indefinite | sigmoid | sigmoidă | sigmoizi | sigmoide | |||
definite | sigmoidul | sigmoida | sigmoizii | sigmoidele | ||||
genitive- dative |
indefinite | sigmoid | sigmoide | sigmoizi | sigmoide | |||
definite | sigmoidului | sigmoidei | sigmoizilor | sigmoidelor |
Categories:
- English terms borrowed from Ancient Greek
- English terms derived from Ancient Greek
- English terms suffixed with -oid
- English 2-syllable words
- English terms with IPA pronunciation
- English terms with audio pronunciation
- Rhymes:English/ɪɡmɔɪd
- Rhymes:English/ɪɡmɔɪd/2 syllables
- English lemmas
- English adjectives
- English uncomparable adjectives
- English terms with archaic senses
- en:Curves
- en:Mathematics
- en:Anatomy
- English nouns
- English countable nouns
- English ellipses
- English terms with quotations
- en:Functions
- English terms derived from the shape of letters
- en:Shapes
- Romanian terms borrowed from French
- Romanian terms derived from French
- Romanian lemmas
- Romanian adjectives