Definitions
There is 1 meaning of the phrase
Abney Level.
Abney Level - as a 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
Example Sentences
"The surveyor used an abney level to measure the angle of inclination."
"I need to calibrate the abney level before starting the survey."
"The abney level is an essential tool for land surveyors."
"He purchased a new abney level for his construction project."
"The accuracy of the abney level is crucial in determining elevation."