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  1. SARS-CoV-2 Delta variant - Wikipedia

    en.wikipedia.org/wiki/SARS-CoV-2_Delta_variant

    SARS-CoV-2 Delta variant, also known as lineage B.1.617.2, is a variant of lineage B.1.617 of SARS-CoV-2, the virus that causes COVID-19. [1] It was first detected in India in late 2020. [2] [3] The World Health Organization (WHO) named it the D ...

  2. Greek alphabet - Wikipedia

    en.wikipedia.org/wiki/Greek_alphabet

    U+1F00–U+1FFF Greek Extended. The Greek alphabet has been used to write the Greek language since the late ninth or early eighth century BC. It is derived from the earlier Phoenician alphabet, and was the first alphabetic script in history to ...

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  3. COVID-19 - Wikipedia

    en.wikipedia.org/wiki/Covid-19

    Coronavirus disease 2019 ( COVID-19) is a contagious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The first known case was identified in Wuhan, China, in December 2019. The disease has since spread worldwide, ...

  4. Lambda - Wikipedia

    en.wikipedia.org/wiki/Lambda
    • Symbol
    • Character Encodings
    • See Also

    Upper-case letter Λ

    Examples of the symbolic use of uppercase lambda include: 1. The lambda particle is a type of subatomic particle in subatomic particle physics. 2. Lambda is the set of logical axioms in the axiomatic method of logical deduction in first-order logic. 3. Lambda was used as a shield pattern by the Spartan army during the Peloponnesian War. This stood for Lacedaemon (Λακεδαίμων, Lakedaímōn), the name of the polisof the Spartans, as opposed to the city itself. 4. Lambda is the von Mangoldt functio...

    Lower-case letter λ

    Examples of the symbolic use of lowercase lambda include: 1. Lambda indicates the wavelength of any wave, especially in physics, electronics engineering, and mathematics. 2. In evolutionary algorithms, λ indicates the number of offspring that would be generated from μ current population in each generation. The terms μ and λ are originated from Evolution strategynotation. 3. Lambda indicates the radioactivity decay constant in nuclear physics and radioactivity. This constant is very simply rel...

    Litra symbol

    The Roman libra and Byzantine lítra (λίτρα), which served as both the pound mass unit and liter volume unit, were abbreviated in Greek using lambda with modified forms of the iota subscript (as λͅ). These are variously encoded in Unicode. The Ancient Greek Numbers Unicode block includes 10183 GREEK LITRA SIGN (𐆃) as well as 𐅢, which is described as 10162 GREEK ACROPHONIC HERMIONIAN TEN but was much more common as a form of the litra sign. A variant of the sign can be formed from 0338 COMBIN...

    Unicode uses the spelling "lamda" in character names, instead of "lambda", due to "preferences expressed by the Greek National Body". 1. Greek Lambda / Coptic Laula 1. Mathematical Lambda These characters are used only as mathematical symbols. Stylized Greek text should be encoded using the normal Greek letters, with markup and formatting to indicate text style.

  5. Coronavirus - Wikipedia

    en.wikipedia.org/wiki/Coronavirus

    Etymology The name "coronavirus" is derived from Latin corona, meaning "crown" or "wreath", itself a borrowing from Greek κορώνη korṓnē, "garland, wreath".[9] [10] The name was coined by June Almeida and ...