hypsometern.

/hɪpˈsɒmɪtə/

Etymology: < Greek ὕψος height (see hypso- comb. form) + -meter comb. form². Compare French hypsomètre.

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

ΘΚΠ

the world > relative properties > measurement > measuring instrument > [noun] > for measuring altitude

hypsometer1864

thermobarometer1864

altimeter1904

altigraph1914

radio altimeter1927

absolute altimeter1930

barometric altimeter1930

1864 in Webster's Amer. Dict. Eng. Lang.

1879 Daily News 23 Aug. 6/4 Major Pinto recommended the hypsometer and aneroids for altitudes.

1884 C. S. Murray in Brit. Almanac Compan. 17 An instrument called the Hypsometer, whose business it is to determine the heights of mountains by means of the boiling-point of water.

This entry has not yet been fully updated (first published 1899; most recently modified version published online March 2018).

单词	hypsometer
释义	hypsometern. /hɪpˈsɒmɪtə/ Etymology: < Greek ὕψος height (see hypso- comb. form) + -meter comb. form². Compare French hypsomètre. An instrument for measuring altitudes, consisting essentially of a delicate thermometer, by which the boiling point of water is observed at particular elevations. ΘΚΠ the world > relative properties > measurement > measuring instrument > [noun] > for measuring altitude hypsometer1864 thermobarometer1864 altimeter1904 altigraph1914 radio altimeter1927 absolute altimeter1930 barometric altimeter1930 1864 in Webster's Amer. Dict. Eng. Lang. 1879 Daily News 23 Aug. 6/4 Major Pinto recommended the hypsometer and aneroids for altitudes. 1884 C. S. Murray in Brit. Almanac Compan. 17 An instrument called the Hypsometer, whose business it is to determine the heights of mountains by means of the boiling-point of water. This entry has not yet been fully updated (first published 1899; most recently modified version published online March 2018). < n.1864
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