Dictionary.com

ppb

or p.p.b.

(in publishing) paper, printing, and binding.
parts per billion.

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Words nearby ppb

pozzuolana, Pozzuoli, pozzy, pp, PPARC, ppb, PPC, PPCA, ppd., p.p.d.o., PPE

Definition for ppb (2 of 2)

PPB

or P.P.B.

(in publishing) paper, printing, and binding.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for ppb

Medical definitions for ppb

ppb

abbr.

parts per billion
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.