peta·​flop ˈpe-tə-ˌfläp How to pronounce petaflop (audio)
plural petaflops
: a unit of measure for the calculating speed of a computer equal to one quadrillion floating-point operations per second
The high-performance computing goal, known as a petaflop—one thousand trillion calculations per second—has long been viewed as a crucial milestone by military, technical and scientific organizations in the United States, as well as a growing group including Japan, China and the European Union.John Markoff

Word History


peta- + flop entry 4

First Known Use

1990, in the meaning defined above

Time Traveler
The first known use of petaflop was in 1990

Dictionary Entries Near petaflop

Cite this Entry

“Petaflop.” Dictionary, Merriam-Webster, Accessed 5 Dec. 2023.

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