peta-

American  

1. a combining form used in the names of units of measure equal to one quadrillion (1015 ) of a given base unit.

   petabyte.

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Peta ¹ British  

abbreviation

1. People for the Ethical Treatment of Animals

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peta- ² British  

prefix

1.  P.  denoting 10 ¹⁵

   petametres

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peta– Scientific  

1. A prefix that means:

2. One quadrillion (10 ¹⁵), as in petahertz, one quadrillion hertz.

3. 2 ⁵⁰ (that is, 1,125,899,906,842,624), which is the power of two closest to a quadrillion, as in petabyte.

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Etymology

Origin of peta-

Origin uncertain

Example Sentences

The binary peta- and exa- loadings, though well established, are not in jargon use either —- yet.

From The Jargon File, Version 2.9.10, 01 Jul 1992 by Raymond, Eric S.

The binary peta- and exa- loadings, though well established, are not in jargon use either — yet.

From The Jargon File, Version 4.0.0, 24 Jul 1996 by Raymond, Eric S.

The binary peta- and exa- loadings, though well established, are not in jargon use either -- yet.

From The Jargon File, Version 4.2.2, 20 Aug 2000 by Steele, Guy L.