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gravimeter

[gruh-vim-i-ter] /grəˈvɪm ɪ tər/
noun
1.
an instrument for measuring the specific gravity of a solid or liquid.
2.
Also called gravity meter. an instrument for measuring variations in the gravitational field of the earth by detecting differences in weight of an object of constant mass at different points on the earth's surface.
Origin
1790-1800
1790-1800; < French gravimètre, equivalent to gravi- (combining form of Latin gravis heavy) + -mètre -meter
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for gravimeter
  • The relative gravimeter works by comparing two or more measurements of gravity.
  • Some of these gravity stations serve as reference stations for relative gravimeter surveys.
  • The gravity field can be measured with an instrument called a gravimeter.
British Dictionary definitions for gravimeter

gravimeter

/ɡrəˈvɪmɪtə/
noun
1.
an instrument for measuring the earth's gravitational field at points on its surface
2.
an instrument for measuring relative density
Derived Forms
gravimetry, noun
Word Origin
C18: from French gravimètre, from Latin gravis heavy
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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gravimeter in Medicine

gravimeter gra·vim·e·ter (grā-vĭm'ĭ-tər, grā'və-mē'-)
n.

  1. See hydrometer.

  2. An instrument used to measure variations in a gravitational field.


gra·vim'e·try (grā-vĭm'ĭ-trē, grə-) n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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gravimeter in Science
gravimeter
  (grā-vĭm'ĭ-tər)   
  1. An instrument used to measure variations in a gravitational field, typically by measuring the rate of acceleration of a falling body. Gravimeters are used to survey geological features with different densities beneath the Earth's surface, such as ore-laden rock or oil fields, that affect the local strength of gravity above them.

  2. An instrument, such as a hydrometer, used to measure the specific gravity of a liquid or solid.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for gravimeter

sensitive device for measuring variations in the Earth's gravitational field, useful in prospecting for oil and minerals. In one form, it consists of a weight suspended from a spring; variations in gravity cause variations in the extension of the spring. A number of different mechanical and optical schemes have been developed to measure this deflection, which in general is very small. Gravimeters have been developed that can detect variations in the Earth's gravitational field as small as one part in 10,000,000.

Learn more about gravimeter with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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