Как правильно пишется омикрон или амикрон

1. ^
   Greek letters-as-numbers used an older Greek alphabet with three more otherwise unused letters, two of them re‑instated in their old locations, early in the alphabet. So positions higher than 5th place (ε) were shifted from the standard alphabet; 5th place was marked with normal fifth letter epsilon (ε). The 6th letter in the conventional alphabet, that normally follows ε is ζ (zeta) but the number 6 was represented a revived ancient letter ′ϝ (digamma), followed by ′ζ which was pushed up from 6th to its ancient position (7th) to represent the number 7. All of the letters after ζ were likewise shifted up one place, until the second ancient letter koppa, (ϙ), was reached; it fell between π and ρ. Every letter from ρ to ω was shifted two places past its conventional ordinal position. Last place coming right after omega (ω, 800) was sampi (ϡ) which represented 900. (From that point, the system restarted, with a new tick-mark, at ͵α. The tick-mark was put in a different place (͵α rather than ′α) to show that the letter represented a multiple of 1,000 rather than 1.)^{[citation needed]}
2. ^
   From Euclid up to the 19th century, mathematical and technical diagrams were habitually marked sequentially with letters (or numbers),^{[citation needed]} whereas in modern mathematical and scientific diagrams, it is much more common to choose for markers letters that might remind readers of the word used to describe the item in question.^{[citation needed]} For example, Feynman diagrams in particle physics label the positions of particles with the first letter of their name, either in the Latin or Greek alphabet. So  p, n, and e , represent the position on a diagram of a  proton, neutron, and electron,  respectively. The neutrino is represented by ν (Greek «nu»), since the Latin letter «n» is reserved for the neutron.^{[citation needed]}
3. ^
   Sexagesimal Greek numbers in the Almagest are conventional:   1 2 3 4 5 6 7 8 9  =  ′α ′β ′γ ′δ ′ε ′ϝ ′ζ ′η ′θ   and   10 20 30 40 50  =  ′ι ′κ ′λ ′μ ′ν . Notice that ancient digamma (ϝ) is used for  6  instead of zeta (ζ, which is used for 7) . Adjacent number-letters add, so all the other numbers are made by letter pairs, such as  29 30 31  =  ′κθ ′λ ′λα . The number 59 (′νθ) is the largest value used in any single number cell in sexagesimal. That leaves xi (ξ) and the letters following it ( ξ ο π ϙ ρ σ τ υ φ χ ψ ω ϡ ) free for other use: Ptolemy picked  ′ο , which normally was used for 70, to mark empty (zero) cells, perhaps because the word for «nothing», οὐδέν starts with an omicron.
4. ^
   This is confirmed by the text of the so-called Letter Tragedy of the fifth-century BCE comic poet Callias, and also by a passage in Plato’s Cratylus, where Socrates states:

   [W]hen we speak of the letters of the alphabet, you know, we speak their names, not merely the letters themselves, except in the case of four: E, Y, O, and Ω.^[10]

1. ^ «omicron». Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
2. ^ The Greek Alphabet
3. ^ Knuth, Donald (April–June 1976). «Big Omicron and big Omega and big Theta» (PDF). SIGACT News. 8 (2): 18–24. doi:10.1145/1008328.1008329. S2CID 5230246. Archived from the original (PDF) on 2021-11-30. Retrieved 2021-11-27.
4. ^
   Martin, Martha Evans (1907). The Friendly Stars (1st ed.). New York: Harper & Brothers Publishers. p. 135. Retrieved 8 February 2016.
5. ^
   Wilk, Stephen R. (2007). Medusa: Solving the Mystery of the Gorgon (1st ed.). New York; London: Oxford University Press. p. 201. ISBN 9780199887736. Retrieved 8 February 2016.
6. ^ «Embrace the WHO’s new naming system for coronavirus variants». Nature. 594 (7862): 149. 2021-06-09. Bibcode:2021Natur.594..149.. doi:10.1038/d41586-021-01508-8. PMID 34108702. S2CID 235395073.
7. ^
   «Classification of Omicron (B.1.1.529): SARS-CoV-2 Variant of Concern». World Health Organization. Retrieved 26 November 2021.
8. ^ ^{a b} Sihler, Andrew (1995). New Comparative Grammar of Greek and Latin. New York: Oxford University Press. ISBN 978-0-19-537336-3.
9. ^ ^{a b} Allen, W. Sidney (1987). Vox Graeca (3rd ed.). Cambridge University Press. p. 172. ISBN 978-0-521-33555-3.
10. ^ Plato. Cratylus. 393.
11. ^ https://www.kxan.com/news/its-omicron-not-omnicron-covid-variants-spelling-doesnt-have-two-ns/amp/
12. ^ https://amp.theguardian.com/science/2021/dec/15/why-do-so-many-people-struggle-to-say-omicron
13. ^ «Greek and Coptic (Range: 0370–03FF)» (PDF). The Unicode Standard, Ver. 8.0. Unicode, Inc. 2015. Retrieved 8 February 2016.
14. ^ «Mathematical Alphanumeric Symbols (Range: 1D400–1D7FF)» (PDF). The Unicode Standard, Ver. 8.0. Unicode, Inc. 2015. Retrieved 8 February 2016.

1. ^
   Greek letters-as-numbers used an older Greek alphabet with three more otherwise unused letters, two of them re‑instated in their old locations, early in the alphabet. So positions higher than 5th place (ε) were shifted from the standard alphabet; 5th place was marked with normal fifth letter epsilon (ε). The 6th letter in the conventional alphabet, that normally follows ε is ζ (zeta) but the number 6 was represented a revived ancient letter ′ϝ (digamma), followed by ′ζ which was pushed up from 6th to its ancient position (7th) to represent the number 7. All of the letters after ζ were likewise shifted up one place, until the second ancient letter koppa, (ϙ), was reached; it fell between π and ρ. Every letter from ρ to ω was shifted two places past its conventional ordinal position. Last place coming right after omega (ω, 800) was sampi (ϡ) which represented 900. (From that point, the system restarted, with a new tick-mark, at ͵α. The tick-mark was put in a different place (͵α rather than ′α) to show that the letter represented a multiple of 1,000 rather than 1.)^{[citation needed]}
2. ^
   From Euclid up to the 19th century, mathematical and technical diagrams were habitually marked sequentially with letters (or numbers),^{[citation needed]} whereas in modern mathematical and scientific diagrams, it is much more common to choose for markers letters that might remind readers of the word used to describe the item in question.^{[citation needed]} For example, Feynman diagrams in particle physics label the positions of particles with the first letter of their name, either in the Latin or Greek alphabet. So  p, n, and e , represent the position on a diagram of a  proton, neutron, and electron,  respectively. The neutrino is represented by ν (Greek «nu»), since the Latin letter «n» is reserved for the neutron.^{[citation needed]}
3. ^
   Sexagesimal Greek numbers in the Almagest are conventional:   1 2 3 4 5 6 7 8 9  =  ′α ′β ′γ ′δ ′ε ′ϝ ′ζ ′η ′θ   and   10 20 30 40 50  =  ′ι ′κ ′λ ′μ ′ν . Notice that ancient digamma (ϝ) is used for  6  instead of zeta (ζ, which is used for 7) . Adjacent number-letters add, so all the other numbers are made by letter pairs, such as  29 30 31  =  ′κθ ′λ ′λα . The number 59 (′νθ) is the largest value used in any single number cell in sexagesimal. That leaves xi (ξ) and the letters following it ( ξ ο π ϙ ρ σ τ υ φ χ ψ ω ϡ ) free for other use: Ptolemy picked  ′ο , which normally was used for 70, to mark empty (zero) cells, perhaps because the word for «nothing», οὐδέν starts with an omicron.
4. ^
   This is confirmed by the text of the so-called Letter Tragedy of the fifth-century BCE comic poet Callias, and also by a passage in Plato’s Cratylus, where Socrates states:

   [W]hen we speak of the letters of the alphabet, you know, we speak their names, not merely the letters themselves, except in the case of four: E, Y, O, and Ω.^[10]

1. ^ «omicron». Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
2. ^ The Greek Alphabet
3. ^ Knuth, Donald (April–June 1976). «Big Omicron and big Omega and big Theta» (PDF). SIGACT News. 8 (2): 18–24. doi:10.1145/1008328.1008329. S2CID 5230246. Archived from the original (PDF) on 2021-11-30. Retrieved 2021-11-27.
4. ^
   Martin, Martha Evans (1907). The Friendly Stars (1st ed.). New York: Harper & Brothers Publishers. p. 135. Retrieved 8 February 2016.
5. ^
   Wilk, Stephen R. (2007). Medusa: Solving the Mystery of the Gorgon (1st ed.). New York; London: Oxford University Press. p. 201. ISBN 9780199887736. Retrieved 8 February 2016.
6. ^ «Embrace the WHO’s new naming system for coronavirus variants». Nature. 594 (7862): 149. 2021-06-09. Bibcode:2021Natur.594..149.. doi:10.1038/d41586-021-01508-8. PMID 34108702. S2CID 235395073.
7. ^
   «Classification of Omicron (B.1.1.529): SARS-CoV-2 Variant of Concern». World Health Organization. Retrieved 26 November 2021.
8. ^ ^{a b} Sihler, Andrew (1995). New Comparative Grammar of Greek and Latin. New York: Oxford University Press. ISBN 978-0-19-537336-3.
9. ^ ^{a b} Allen, W. Sidney (1987). Vox Graeca (3rd ed.). Cambridge University Press. p. 172. ISBN 978-0-521-33555-3.
10. ^ Plato. Cratylus. 393.
11. ^ https://www.kxan.com/news/its-omicron-not-omnicron-covid-variants-spelling-doesnt-have-two-ns/amp/
12. ^ https://amp.theguardian.com/science/2021/dec/15/why-do-so-many-people-struggle-to-say-omicron
13. ^ «Greek and Coptic (Range: 0370–03FF)» (PDF). The Unicode Standard, Ver. 8.0. Unicode, Inc. 2015. Retrieved 8 February 2016.
14. ^ «Mathematical Alphanumeric Symbols (Range: 1D400–1D7FF)» (PDF). The Unicode Standard, Ver. 8.0. Unicode, Inc. 2015. Retrieved 8 February 2016.

• 1 Русский
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    • 1.3.1 Значение
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Можно ли писать штамм омикрон — без кавычек, со строчной, так же как пишутся два нарицательных существительных, из которых первое обозначает родовое понятие, а второе — видовое?