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  2. Greek alphabet - Wikipedia

    en.wikipedia.org/wiki/Greek_alphabet

    The Greek alphabet has been used to write the Greek language since the late 9th or early 8th century BC. [2] [3] It was derived from the earlier Phoenician alphabet, [4] and is the earliest known alphabetic script to systematically write vowels as well as consonants. [5]

  3. Greek letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/Greek_letters_used_in...

    the fine-structure constant in physics [2] [3] the angle of attack of an aircraft; an alpha particle (He 2+) angular acceleration in physics [4] the linear thermal expansion coefficient; the thermal diffusivity [5] In organic chemistry the α-carbon is the backbone carbon next to the carbonyl carbon, most often for amino acids; right ascension ...

  4. Iota subscript - Wikipedia

    en.wikipedia.org/wiki/Iota_subscript

    Iota subscripts in the word ᾠδῇ, ("ode", dative). The iota subscript is a diacritic mark in the Greek alphabet shaped like a small vertical stroke or miniature iota ι placed below the letter.

  5. Iota - Wikipedia

    en.wikipedia.org/wiki/Iota

    Iota (/ aɪ ˈ oʊ t ə /; [1] uppercase Ι, lowercase ι; Greek: ιώτα) is the ninth letter of the Greek alphabet.It was derived from the Phoenician letter Yodh. [2] Letters that arose from this letter include the Latin I and J, the Cyrillic І (І, і), Yi (Ї, ї), and Je (Ј, ј), and iotated letters (e.g. Yu (Ю, ю)).

  6. Ancient Greek phonology - Wikipedia

    en.wikipedia.org/wiki/Ancient_Greek_phonology

    Ancient Greek phonology is the reconstructed phonology or pronunciation of Ancient Greek.This article mostly deals with the pronunciation of the standard Attic dialect of the fifth century BC, used by Plato and other Classical Greek writers, and touches on other dialects spoken at the same time or earlier.

  7. Rho - Wikipedia

    en.wikipedia.org/wiki/Rho

    Rho (/ ˈ r oʊ /; uppercase Ρ, lowercase ρ or ϱ; Greek: ρο or ρω) is the seventeenth letter of the Greek alphabet.In the system of Greek numerals it has a value of 100. It is derived from Phoenician letter res.

  8. Sigma - Wikipedia

    en.wikipedia.org/wiki/Sigma

    The letter Sigma. Sigma (/ ˈ s ɪ ɡ m ə / SIG-mə; [1] uppercase Σ, lowercase σ, lowercase in word-final position ς; Ancient Greek: σίγμα) is the eighteenth letter of the Greek alphabet.

  9. Latin alphabet - Wikipedia

    en.wikipedia.org/wiki/Latin_alphabet

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