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  2. Hindustani grammar - Wikipedia

    en.wikipedia.org/wiki/Hindustani_grammar

    Compound verbs, a highly visible feature of Hindi–Urdu grammar, consist of a verbal stem plus a light verb. The light verb (also called "subsidiary", "explicator verb", and "vector" [ 55 ] ) loses its own independent meaning and instead "lends a certain shade of meaning" [ 56 ] to the main or stem verb, which "comprises the lexical core of ...

  3. Hindustani vocabulary - Wikipedia

    en.wikipedia.org/wiki/Hindustani_vocabulary

    Hindustani, also known as Hindi-Urdu, like all Indo-Aryan languages, has a core base of Sanskrit-derived vocabulary, which it gained through Prakrit. [1] As such the standardized registers of the Hindustani language (Hindi-Urdu) share a common vocabulary, especially on the colloquial level. [ 2 ]

  4. Helix - Wikipedia

    en.wikipedia.org/wiki/Helix

    The pitch of a helix is the height of one complete helix turn, measured parallel to the axis of the helix. A double helix consists of two (typically congruent) helices with the same axis, differing by a translation along the axis. [3] A circular helix (i.e. one with constant radius) has constant band curvature and constant torsion. The slope of ...

  5. Urdu Informatics - Wikipedia

    en.wikipedia.org/wiki/Urdu_Informatics

    National Language Authority in Pakistan has been at the forefront in introducing Urdu Informatics as a tool for the standardisation of Urdu language. [1] Major steps in this respect include the development of Urdu keyboard and launching of software to automate translations between Urdu and English languages .

  6. Helix angle - Wikipedia

    en.wikipedia.org/wiki/Helix_angle

    The efficiency can be plotted versus the helix angle for a constant friction, as shown in the adjacent diagram. The maximum efficiency is a helix angle between 40 and 45 degrees, however a reasonable efficiency is achieved above 15°. Due to difficulties in forming the thread, helix angle greater than 30° are rarely used.

  7. Lead (engineering) - Wikipedia

    en.wikipedia.org/wiki/Lead_(engineering)

    Lead angle is the angle between the helix and a plane of rotation. It is the complement of the helix angle, and is used for convenience in worms and hobs. It is understood to be at the standard pitch diameter unless otherwise specified. The lead angle can be expressed as:

  8. Hindustani declension - Wikipedia

    en.wikipedia.org/wiki/Hindustani_declension

    Hindi-Urdu, also known as Hindustani, has three noun cases (nominative, oblique, and vocative) [1] [2] and five pronoun cases (nominative, accusative, dative, genitive, and oblique). The oblique case in pronouns has three subdivisions: Regular, Ergative , and Genitive .

  9. Conical spiral - Wikipedia

    en.wikipedia.org/wiki/Conical_spiral

    In mathematics, a conical spiral, also known as a conical helix, [1] is a space curve on a right circular cone, whose floor projection is a plane spiral. If the floor projection is a logarithmic spiral , it is called conchospiral (from conch ).