Back
English Dictionary
Learn English
Learn grammar
List of words
Study your cards
Hang On, Man!
Audio Books
More apps
SPONSORED LINKS
Recent searches
appropriately
distinctly
apple
SPONSORED LINKS
SPONSORED LINKS
inquiries
oh boy
range
longitudinal
throat
embroider
infer
Hide translation
Abney level
Abney level
/ˈeɪbni ˈlɛvəl/
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
(
Abney 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
Surveyors often use the Abney level to measure land gradients.
Surveyors often use the Abney level to measure land gradients.
Back
Next
Language