Back
English Dictionary
Learn English
Learn grammar
List of words
Study your cards
Hang On, Man!
Audio Books
More apps
SPONSORED LINKS
Recent searches
a little
obstinate
satisfaction
SPONSORED LINKS
SPONSORED LINKS
noticeability
man-at-arms
acquaintance
thoughtfulness
last frontier
drag down
acre
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