transit instrument

transit instrument
noun
a telescope mounted on an axis running east and west and used to time the transit of a celestial body across the meridian
• Hypernyms: ↑telescope, ↑scope

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noun
1. : a telescope that is mounted at right angles to a horizontal east-west axis on which it revolves with its line of collimation in the plane of the meridian and that is used in connection with a clock and chronograph for observing the time of transit of a celestial body over the meridian of a place
2. : transit 4

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1. Astron. See meridian circle.
2. Survey. transit (def. 6a).
[1805-15]

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transit instrument noun
A telescope mounted in the meridian and turned on a fixed east and west axis
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Main Entry: ↑transit

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transit instrument,
1. Astronomy. a telescope mounted with its east-west axis fixed so that it can move only in the plane of the local meridian, used to find the time of transit of a celestial body.
2. = transit (def. 4). (Cf. ↑transit)

Useful english dictionary. 2012.

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Look at other dictionaries:

  • Transit instrument — Transit Trans it, n. [L. transitus, from transire to go over: cf. F. transit. See {Transient}.] 1. The act of passing; passage through or over. [1913 Webster] In France you are now . . . in the transit from one form of government to another.… …   The Collaborative International Dictionary of English

  • transit instrument — n. 1. a telescope mounted at right angles to a horizontal east west axis so that it can be rotated only in the vertical plane of the meridian at its site: used to observe and time the transit of celestial bodies across the meridian 2. TRANSIT… …   English World dictionary

  • Transit instrument — In astronomy, transit instruments are used for the precise observation of star positions. The instruments can be divided into three groups: Meridian instruments for observation of star transits in the exact direction of South or North: * Meridian …   Wikipedia

  • transit instrument — 1. Astron. See meridian circle. 2. Survey. transit (def. 6a). [1805 15] * * * …   Universalium

  • Prime-vertical transit instrument — Prime Prime, a. [F., fr. L. primus first, a superl. corresponding to the compar. prior former. See {Prior}, a., {Foremost}, {Former}, and cf. {Prim}, a., {Primary}, {Prince}.] 1. First in order of time; original; primeval; primitive; primary.… …   The Collaborative International Dictionary of English

  • Transit — Trans it, n. [L. transitus, from transire to go over: cf. F. transit. See {Transient}.] 1. The act of passing; passage through or over. [1913 Webster] In France you are now . . . in the transit from one form of government to another. Burke. [1913 …   The Collaborative International Dictionary of English

  • Transit circle — Transit Trans it, n. [L. transitus, from transire to go over: cf. F. transit. See {Transient}.] 1. The act of passing; passage through or over. [1913 Webster] In France you are now . . . in the transit from one form of government to another.… …   The Collaborative International Dictionary of English

  • Transit compass — Transit Trans it, n. [L. transitus, from transire to go over: cf. F. transit. See {Transient}.] 1. The act of passing; passage through or over. [1913 Webster] In France you are now . . . in the transit from one form of government to another.… …   The Collaborative International Dictionary of English

  • transit compass — Transit Trans it, n. [L. transitus, from transire to go over: cf. F. transit. See {Transient}.] 1. The act of passing; passage through or over. [1913 Webster] In France you are now . . . in the transit from one form of government to another.… …   The Collaborative International Dictionary of English

  • Transit duty — Transit Trans it, n. [L. transitus, from transire to go over: cf. F. transit. See {Transient}.] 1. The act of passing; passage through or over. [1913 Webster] In France you are now . . . in the transit from one form of government to another.… …   The Collaborative International Dictionary of English

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