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PPB

1.
(in publishing) paper, printing, and binding.
Also, P.P.B.

ppb

1.
(in publishing) paper, printing, and binding.
2.
parts per billion.
Also, p.p.b.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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p.p.b in Medicine

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.
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Related Abbreviations for p.p.b

ppb

parts per billion

PPB

paper, printing, and binding
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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