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释义
the world > relative properties > measurement > measuring instrument > [noun] > for measuring altitude (7)
hypsometer1864

An instrument for measuring altitudes, consisting essentially of a delicate thermometer, by which the boiling point of water is observed at…

thermobarometer1864

a name given to two distinct modifications of the barometer: see quots.

altimeter1904

An instrument which indicates the altitude above sea level reached, as when flying or climbing a mountain.

altigraph1914

An altimeter, esp. one that produces a graphical record of its measurements.

radio altimeter1927

an altimeter which works by emitting a radio signal and measuring the time it takes to be reflected back from the ground.

absolute altimeter1930

an altimeter which measures absolute altitude.

barometric altimeter1930

= altimeter, n. 2.

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更新时间:2024/9/21 10:30:34