different between sigma vs sigmate

English

Etymology

From Ancient Greek ????? (sîgma), ????? (sígma), probably from the root sig- as seen in ???? (síz?) (< sig-yo "to hiss") + -?? (-ma).

Pronunciation

• IPA^(key): /?s??m?/

Noun

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 ?, used to indicate summation of a set or series.
3. (statistics) The symbol ?, 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 terms

• sigma darner (Austroaeschna sigma)
• sigmalike
• within one sigma: the range from the mean, plus or minus one standard deviation, usually covering 68% of the data points in a normal distribution

Translations

References

Anagrams

• Magis., agism, migas

Catalan

Pronunciation

• (Balearic, Central) IPA^(key): /?si?.m?/
• (Valencian) IPA^(key): /?si?.ma/

Noun

sigma f (plural sigmes)

1. Sigma; the Greek letter ? (lowercase ? or ?).
2. (anatomy) sigmoid colon

Further reading

• “sigma” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.

Czech

Noun

sigma n

1. sigma

Dutch

Etymology

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

Pronunciation

• IPA^(key): /?s?x.ma?/
• Hyphenation: sig?ma

Noun

sigma f (plural sigma's)

1. sigma (letter of the Greek alphabet)

Derived terms

• sigmatisch

Finnish

Etymology

< Ancient Greek ????? (sígma)

Pronunciation

• IPA^(key): /?si?m?/, [?s?i?m?]
• Rhymes: -i?m?
• Syllabification: sig?ma

Noun

sigma

1. sigma (Greek letter)

Declension

French

Pronunciation

• IPA^(key): /si?.ma/

Noun

sigma m (plural sigma)

1. sigma (Greek letter)

Further reading

• “sigma” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Italian

Etymology

From Ancient Greek ????? (sîgma), ????? (sígma).

Pronunciation

• IPA^(key): /?si?.ma/
• Hyphenation: sìg?ma

Noun

sigma m or f (invariable)

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

Derived terms

• sigmatismo/sigmacismo

Noun

sigma m (invariable)

1. (anatomy) sigmoid colon

Anagrams

• sgami

Portuguese

Noun

sigma m (plural sigmas)

1. sigma (name of the Greek letter ?, ?)

Spanish

Pronunciation

• IPA^(key): /?si?ma/, [?si??.ma]

Noun

sigma f (plural sigmas)

1. sigma; the Greek letter ?, ?

English

Etymology

sigma +? -ate

Adjective

sigmate (comparative more sigmate, superlative most sigmate)

1. Shaped like the Greek letter sigma

See also

• sigmoid

Anagrams

• gamiest, gemista