See also: Sigma

EnglishEdit

Ancient Greek Alphabet

rho
   
tau
Σ σ ς
Ancient Greek: σίγμα
Wikipedia article on sigma

EtymologyEdit

From Ancient Greek σῖγμα (sîgma), σίγμα (sígma), probably from the root sig- as seen in σίζω (sízō) (< sig-yo "to hiss") + -μα (-ma). [1][2]

PronunciationEdit

  • IPA(key): /ˈsɪɡmə/
  • (file)

NounEdit

sigma (plural sigmas or sigmata)

  1. The eighteenth letter of the Classical and Modern Greek alphabets, the twentieth letter of Old and Ancient.
    • "Herodotus: On The Customs of the Persians", I.139:
      • Their names, which are expressive of some bodily or mental excellence, all end with the same letter---the letter which is called San by the Dorians, and Sigma by the Ionians.
  2. (mathematics) The symbol Σ, used to indicate summation of a set or series.
  3. (statistics) The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution.
    • 2011, Paul Rincon, (bbc.co.uk) LHC: Higgs boson 'may have been glimpsed'
      None of the spikes seen by the experiments is at much more than the "two sigma" level of certainty.
      A level of "five sigma" is required to claim a discovery, meaning there is less than a one in a million chance the data spike is down to a statistical fluke.

Derived termsEdit

TranslationsEdit

ReferencesEdit

  1. ^ Woodard, Roger D. (2006). "Alphabet". In Wilson, Nigel Guy. Encyclopedia of ancient Greece. London: Routldedge. p. 38.
  2. ^ Beekes, Robert S. P. (2010) Etymological Dictionary of Greek (Leiden Indo-European Etymological Dictionary Series; 10), with the assistance of Lucien van Beek, Leiden, Boston: Brill, →ISBN, page 1328

AnagramsEdit


CatalanEdit

EtymologyEdit

Learned borrowing from Latin sigma.

PronunciationEdit

NounEdit

sigma f (plural sigmes)

  1. Sigma; the Greek letter Σ (lowercase σ or ς).
  2. (anatomy) sigmoid colon

Derived termsEdit

Related termsEdit

Further readingEdit


CzechEdit

NounEdit

sigma n

  1. sigma

DutchEdit

EtymologyEdit

Ultimately form Ancient Greek σῖγμα (sîgma). This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.

PronunciationEdit

  • IPA(key): /ˈsɪx.maː/
  • Hyphenation: sig‧ma

NounEdit

sigma f (plural sigma's)

  1. sigma (letter of the Greek alphabet)

Derived termsEdit


FinnishEdit

EtymologyEdit

< Ancient Greek σίγμα (sígma)

Greek letter
Σσ Previous: rhoo
Next: tau
 
Finnish Wikipedia has an article on:
Wikipedia fi

PronunciationEdit

  • IPA(key): /ˈsiɡmɑ/, [ˈs̠iɡmɑ]
  • Rhymes: -iɡmɑ
  • Syllabification: sig‧ma

NounEdit

sigma

  1. sigma (Greek letter)

DeclensionEdit

Inflection of sigma (Kotus type 9/kala, no gradation)
nominative sigma sigmat
genitive sigman sigmojen
partitive sigmaa sigmoja
illative sigmaan sigmoihin
singular plural
nominative sigma sigmat
accusative nom. sigma sigmat
gen. sigman
genitive sigman sigmojen
sigmainrare
partitive sigmaa sigmoja
inessive sigmassa sigmoissa
elative sigmasta sigmoista
illative sigmaan sigmoihin
adessive sigmalla sigmoilla
ablative sigmalta sigmoilta
allative sigmalle sigmoille
essive sigmana sigmoina
translative sigmaksi sigmoiksi
instructive sigmoin
abessive sigmatta sigmoitta
comitative sigmoineen
Possessive forms of sigma (type kala)
possessor singular plural
1st person sigmani sigmamme
2nd person sigmasi sigmanne
3rd person sigmansa

FrenchEdit

PronunciationEdit

NounEdit

sigma m (plural sigma)

  1. sigma (Greek letter)

Further readingEdit


IcelandicEdit

NounEdit

sigma f (genitive singular sigmu, nominative plural sigmur)

  1. sigma (Greek letter)

DeclensionEdit


ItalianEdit

 
Italian Wikipedia has an article on:
Wikipedia it

EtymologyEdit

From Ancient Greek σῖγμα (sîgma), σίγμα (sígma).

PronunciationEdit

NounEdit

sigma m or f (invariable)

  1. sigma, specifically:
    1. The name of the Greek-script letter Σ/σ, ς
    2. (mathematics) The symbol Σ, used to indicate summation of a set or series.
    3. (statistics) The symbol σ, used to indicate one standard deviation from the mean, specifically in a normal distribution.

Derived termsEdit

NounEdit

sigma m (invariable)

  1. (anatomy) sigmoid colon

AnagramsEdit


PolishEdit

 
Polish Wikipedia has an article on:
Wikipedia pl

EtymologyEdit

From Ancient Greek σῖγμα (sîgma), from Phoenician 𐤔‬(š‬ /šīn/).

PronunciationEdit

NounEdit

sigma f

  1. sigma (Greek letter Σ, σ/ς)
  2. (mathematics) sigma (symbol Σ, used to indicate summation of a set or series)

DeclensionEdit

Further readingEdit

  • sigma in Wielki słownik języka polskiego, Instytut Języka Polskiego PAN
  • sigma in Polish dictionaries at PWN

PortugueseEdit

NounEdit

sigma m (plural sigmas)

  1. sigma (name of the Greek letter Σ, σ)

RomanianEdit

EtymologyEdit

From Ancient Greek σῖγμα (sîgma) or French sigma.

NounEdit

sigma m (plural sigma)

  1. sigma (Greek letter)

DeclensionEdit


SpanishEdit

PronunciationEdit

  • IPA(key): /ˈsiɡma/, [ˈsiɣ̞.ma]

NounEdit

sigma f (plural sigmas)

  1. sigma; the Greek letter Σ, σ

Further readingEdit