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millibar

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mil⋅li⋅bar

[mil-uh-bahr]
–noun
a centimeter-gram-second unit of pressure equal to one thousandth of a bar or 1000 dynes per square centimeter, used to measure air pressure. Abbreviation: mb

Origin:
1905–10; milli- + bar 3
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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mil·li·bar   (mĭl'ə-bär')   
n.   Abbr. mb
A unit of atmospheric pressure equal to one thousandth (10-3) of a bar. Standard atmospheric pressure at sea level is about 1,013 millibars.
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: mil·li·bar
Pronunciation: 'mil-&-"bär
Function: noun
: a unit of atmospheric pressure equal to1/1000 bar or 1000 dynes per square centimeter —abbreviation mbar
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Science Dictionary
millibar   (mĭl'ə-bär')  Pronunciation Key 
A unit of pressure equal to 0.001 bars. It is equivalent to 100 newtons per square meter, or 0.0145 pounds per square inch. Standard atmospheric pressure at sea level is 1,013.2 millibars.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia

millibar

unit of air pressure in the metric system, commonly used in meteorology, equal to 100 pascals, 1,000 dynes per square cm (about 0.0145 pounds per square inch), or slightly less than one-thousandth of a standard atmosphere

Learn more about millibar with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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