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  2. Area density - Wikipedia

    en.wikipedia.org/wiki/Area_density

    A special type of area density is called column density (also columnar mass density or simply column density), denoted ρ A or σ. It is the mass of substance per unit area integrated along a path; [ 1 ] It is obtained integrating volumetric density ρ {\displaystyle \rho } over a column: [ 2 ] σ = ∫ ρ d s . {\displaystyle \sigma =\int \rho ...

  3. Urdu Dictionary Board - Wikipedia

    en.wikipedia.org/wiki/Urdu_Dictionary_Board

    In 1977, the Board published the first edition of Urdu Lughat, a 22-volume comprehensive dictionary of the Urdu language. [2] The dictionary had 20,000 pages, including 220,000 words. [3] In 2009, Pakistani feminist poet Fahmida Riaz was appointed as the Chief Editor of the Board. [4] In 2010, the Board published one last edition Urdu Lughat. [3]

  4. Urdu - Wikipedia

    en.wikipedia.org/wiki/Urdu

    Urdu in its less formalised register is known as rekhta (ریختہ, rek̤h̤tah, 'rough mixture', Urdu pronunciation:); the more formal register is sometimes referred to as زبانِ اُردُوئے معلّٰى, zabān-i Urdū-yi muʿallá, 'language of the exalted camp' (Urdu pronunciation: [zəbaːn eː ʊrdu eː moəllaː]) or لشکری ...

  5. Curve of growth - Wikipedia

    en.wikipedia.org/wiki/Curve_of_growth

    The curve of growth describes the dependence of the equivalent width , which is an effective measure of the strength of a feature in a emission or absorption spectrum, on the column density .

  6. Column density - Wikipedia

    en.wikipedia.org/?title=Column_density&redirect=no

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  7. Urdu Lughat - Wikipedia

    en.wikipedia.org/wiki/Urdu_Lughat

    It is the most comprehensive dictionary in the history of Urdu language. [citation needed] It is published by the Urdu Lughat Board, Karachi. The dictionary was edited by the honorary director general of the board Maulvi Abdul Haq who had already been working on an Urdu dictionary since the establishment of the Urdu Dictionary Board, Karachi ...

  8. Lexical density - Wikipedia

    en.wikipedia.org/wiki/Lexical_density

    Lexical density is a concept in computational linguistics that measures the structure and complexity of human communication in a language. [1] Lexical density estimates the linguistic complexity in a written or spoken composition from the functional words (grammatical units) and content words (lexical units, lexemes ).

  9. Category:Urdu - Wikipedia

    en.wikipedia.org/wiki/Category:Urdu

    Simple English; سنڌي ... Urdu-language words and phrases (2 C, 49 P) Pages in category "Urdu" ... History of Hindustani language; Hindustani grammar;