ABNEY LEVEL

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

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

Classified under:

Nouns denoting man-made objects

Hypernyms ("Abney level" is a kind of...):

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)

Credits