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Showing results for ppb. Search instead for PPHB.

ppb

1 American  
Or p.p.b.

  1. (in publishing) paper, printing, and binding.

  2. parts per billion.

PPB 2 American  
Or P.P.B.

  1. (in publishing) paper, printing, and binding.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.