倾角罗盘,倾角计,倾斜计
inclinometer
n 1: an instrument showing the angle that an aircraft makes with
the horizon
2: a measuring instrument for measuring the angle of magnetic
dip (as from an airplane) [syn: {dip circle}]
3: an instrument used by surveyors in order to measure an angle
of inclination or elevation [syn: {clinometer}]