sigma

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sigma

Where it comes from

Borrowed from Ancient Greek σῖγμα (sîgma) or French sigma.

noun sigma · sigmaul · sigmai

masculine sigma (Greek letter)

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MLA

"sigma." Wiktionary, via Micwyn, micwyn.com/word/ro/sigma. Accessed 6 Nov. 2026.

APA

sigma. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/ro/sigma

Chicago

"sigma." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/ro/sigma.

BibTeX

@misc{sigma_2026,
  title = {sigma},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/ro/sigma},
  urldate = {2026-11-06}
}