Altimeter

['æltɪmiːtə] or [æl'tɪmətɚ]

(noun.) an instrument that measures the height above ground; used in navigation.

编辑:梅齐--From WordNet

(n.) An instrument for taking altitudes, as a quadrant, sextant, etc.

沙琳编辑

n. an instrument for measuring heights.—adj. Altimet′rical.—n. Altim′etry.

亨廷顿编辑