peta-

peta-

a combining form used in the names of units of measure equal to one quadrillion (10 15 ) of a given base unit: petabyte.

Origin:
origin uncertain

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Collins
World English Dictionary
peta-
 
prefix
P denoting 1015: petametres
 
[C20: so named because it is the SI prefix after tera-; on the model of penta-, the prefix after tetra-]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
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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American Heritage
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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FOLDOC
Computing Dictionary

peta- definition


prefix

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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