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Abney level
[ ab-nee ]
noun
, Surveying.
- a hand level for determining elevations and angles of slope.
Abney level
/ ˈæbnɪ /
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 another point
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Word History and Origins
Origin of Abney level1
C20: named after Sir William Abney (1843–1920), British chemist and physicist
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