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Abney level

   Also found in: Encyclopedia 0.01 sec.
Abney level [ˈæbnɪ]
n
(Mathematics & Measurements / Surveying) 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 another point
[named after Sir William Abney (1843-1920), British chemist and physicist]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.Abney level - a surveying instrument consisting of a spirit level and a sighting tubeAbney level - 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
surveyor's level - surveying instrument consisting basically of a small telescope with an attached spirit level rotating around a vertical axis; for measuring relative heights of land


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