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gravimeter

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Gravimeter
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gra⋅vim⋅e⋅ter

  [gruh-vim-i-ter]
Use gravimeter in a Sentence
–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; < F gravimètre, equiv. to gravi- (comb. form of L gravis heavy) + -mètre -meter
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Gravimeter
China Gravimeter Supplier. High Quality, Competitive Price.
Made-in-China.com
gra·vim·e·ter   (grā-vĭm'ĭ-tər, grā'və-mē'-)   
n.  

  1. An instrument used to measure specific gravity.

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


[French gravimètre : Latin gravis, heavy; see gravity + French -mètre, -meter.]
gra·vim'e·try (grā-vĭm'ĭ-trē, grə-) n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: gra·vi·me·ter
Pronunciation: gra-'vim-&t-&r, 'grav-&-"mEt-&r
Function: noun
: a device similar to ahydrometer for determining specific gravity
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

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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Science Dictionary
gravimeter   (grā-vĭm'ĭ-tər)  Pronunciation Key 

  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

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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