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[hip-som-i-ter] /hɪpˈsɒm ɪ tər/
thermobarometer (def 1).
Origin of hypsometer
1860-65; hypso- + -meter Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for hypsometer
Historical Examples
  • The hypsometer is only an instrument for determining the boiling-point, which gives one the height above the sea.

  • Associated words: altimetry, altimeter, hypsometry, hypsometer.

    Putnam's Word Book Louis A. Flemming
  • The hypsometer showed 11,070 feet above the sea; we had therefore reached a greater altitude than the Butcher's.

  • An instrument sold by dealers for the measuring of heights is known as the hypsometer.

    The Teaching of Geometry David Eugene Smith
  • After taking the reading we greedily drank the water which had been heated for the hypsometer.

    Inca Land Hiram Bingham
  • Mertz boiled the hypsometer when necessary to ascertain our elevation above sea-level.

    The Home of the Blizzard Douglas Mawson
  • The hypsometer was not at that time an important instrument.

    My Attainment of the Pole Frederick A. Cook
  • According to the hypsometer and our aneroid barometer we were at a height of 11,075 feet -- this was in lat.

  • The readings of the hypsometer gave practically the same result day after day; the ascent we were looking for failed to appear.

  • I took the observation for longitude and latitude, found the height by hypsometer, and took some photographs.

British Dictionary definitions for hypsometer


an instrument for measuring altitudes by determining the boiling point of water at a given altitude
any instrument used to calculate the heights of trees by triangulation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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hypsometer in Science
An instrument used to determine land elevation by observing the atmospheric pressure as measured by the change in the boiling point of a liquid, usually water. Liquids boil at progressively lower temperatures as the atmospheric pressure decreases, and since atmospheric pressure decreases with altitude, the temperature at which the liquid boils is an indicator of the atmospheric pressure at that location and hence of the location's altitude.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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