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peta-

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peta-

 
Use peta- in a Sentence
a combining form used in the names of units of measure equal to one quadrillion (1015) of a given base unit: petabyte.
Origin:
orig. uncert.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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peta-  
pref.  

  1. One quadrillion (1015): petahertz.

  2. 1,125,899,906,842,624 (250): petabyte.


[Alteration of penta- (from its representing the fifth power of a thousand).]
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

peta- pref.
One quadrillion (1015): petagram.

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
peta-  

  1. A prefix that means:

  2. One quadrillion (1015), as in petahertz, one quadrillion hertz.

  3. 250 (that is, 1,125,899,906,842,624), which is the power of two closest to a quadrillion, as in petabyte.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Computing Dictionary

peta-
prefix

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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