What is the meaning of Abney level?

noun

  • A surveying instrument consisting of a spirit level and a sighting tube; used to measure the angle of inclination of a line from the observer to the target. .
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). abney level. Retrieved September 30, 2026, from http://smartdefine.org/abney_level/definitions/1201027
ChicagoWordNet. 2010. "abney level" http://smartdefine.org/abney_level/definitions/1201027 (accessed September 30, 2026).
HarvardWordNet 2010, abney level, Smart Define, viewed 30 September, 2026, <http://smartdefine.org/abney_level/definitions/1201027>.
MLAWordNet. "abney level" 23 October 2010. Web. 30 September 2026. <http://smartdefine.org/abney_level/definitions/1201027>