Back
English Dictionary
Learn English
Learn grammar
List of words
Study your cards
Hang On, Man!
Audio Books
More apps
SPONSORED LINKS
Recent searches
riot
ethnic
patronise
SPONSORED LINKS
SPONSORED LINKS
threat
dozenth
pills
tommy
perverse
her
acrid
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