transit instrument

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noun

Astronomy. meridian circle.
Surveying. transit(def 6a).

Nearby words

  1. transistor,
  2. transistorize,
  3. transit,
  4. transit camp,
  5. transit circle,
  6. transit number,
  7. transit shed,
  8. transit theodolite,
  9. transitable,
  10. transition

Origin of transit instrument

First recorded in 1805–15

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for transit instrument

  • The deviation of a transit-instrument from the plane of the meridian at the horizon; it is also termed the azimuthal error.

    The Sailor's Word-Book|William Henry Smyth
  • The transit-instrument, or culminatory, observes when a star has reached the highest point in its course.

    Titan: A Romance v. 1 (of 2)|Jean Paul Friedrich Richter


British Dictionary definitions for transit instrument

transit instrument

noun

an astronomical instrument, mounted on an E-W axis, in which the reticle of a telescope is always in the plane of the meridian. It is used to time the transit of a star, etc, across the meridian
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012