ironServices.com

English Dictionary

  • Hide translation

 Abney level Abney level /ˈeɪbni ˈlɛvəl/

noun

  1. 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.