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barograph

[bar-uh-graf, -grahf]
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noun
  1. any of several automatic recording barometers, of which the most common is the aneroid barograph.
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Origin of barograph

First recorded in 1860–65; baro- + -graph
Related formsbar·o·graph·ic [bar-uh-graf-ik] /ˌbær əˈgræf ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for barograph

Historical Examples

  • A self-recording barometer (usually an aneroid) is called a barograph.

    Meteorology

    Charles Fitzhugh Talman

  • Were going down already, exclaimed Bob, looking at the barograph.

  • The general care of the barograph is the same as that of the thermograph.

  • The barograph showed them to be rising a hundred feet a minute.

    The Boy Scouts for Uncle Sam

    John Henry Goldfrap

  • Tom was anxiously watching the barograph, to note their height.


British Dictionary definitions for barograph

barograph

noun
  1. meteorol a self-recording aneroid barometer
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Derived Formsbarographic (ˌbærəˈɡræfɪk), adjective
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

barograph in Science

barograph

[bărə-grăf′]
  1. An instrument that continuously records changes in atmospheric pressure. A barograph typically consists of an aneroid barometer connected to a pen; the pen is in contact with a piece of paper mounted on a cylinder that rotates once on a daily or weekly basis. As the atmospheric pressure changes, the pen is displaced in proportion to the change, thus a record of the pressure is traced onto the rotating sheet of paper.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.