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poxy
Poynting theorem
Poznan
pozole
pozzuolana
Pozzuoli
PP
pp.
ppb
PPH
PPI
PPO
PPP
PPV
PR
Pr
Pr.
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ppb
ppb


abbr 
Definition:
 
measurements parts per billion
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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