petahertz [pet-uh-hurts] noun one quadrillion (1015) hertz. Abbreviation: PHz Liberaldictionary.com
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
petahertz [pet-uh-hurts] noun one quadrillion (1015) hertz. Abbreviation: PHz Liberaldictionary.com
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019