- inclinometer - an instrument showing the angle that an aircraft makes with the horizon
--1 is a kind of navigational instrument
- inclinometer, dip circle - a measuring instrument for measuring the angle of magnetic dip (as from an airplane)
--2 is a kind of measuring instrument, measuring system, measuring device
- clinometer, inclinometer - an instrument used by surveyors in order to measure an angle of inclination or elevation
--3 is a kind of surveying instrument, surveyor's instrument
- inclinometer, dip circle - a measuring instrument for measuring the angle of magnetic dip (as from an airplane)