peta-

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

   petabyte.

Peta

¹

abbreviation

1. People for the Ethical Treatment of Animals

peta-

²

prefix

1. P. denoting 10 ¹⁵

   petametres

peta–

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.

Word History and Origins

Origin of peta–¹

Origin uncertain

Word History and Origins

Origin of peta–¹

C20: so named because it is the SI prefix after _tera- ; on the model of _penta- , the prefix after _tetra-

Example Sentences

“If we were killing animals, we’d never be making any money,” Salomon told the Daily Mail Online in coverage of PETA’s investigation.

From Slate

In 1993, animal rights group Peta occupied her office in protest over Dame Anna's decision to wear fur, something she no longer does.

From BBC

Her passing drew heartfelt tributes from fans and longtime co-stars Alan Alda, Mike Farrell, and Jamie Farr, as well as from PETA, where she was a passionate advocate for animal rights.

From Salon

According to PETA’s website, Swit “worked with many animal charities and had her own called ‘SwitHeart Animal Alliance.’

From Salon

They repeatedly punched Sir Mark, who was in bed with his wife, Peta, upon entering his bedroom.

From BBC