Ppribp

5-phospho-α-D-ribosyl 1-pyrophosphate

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Pps
1. pulse per second. 1. a second or additional postscript. abbreviation 1. parliamentary private secretary 2. Also pps. post postscriptum pulses per second 1. packet per second 2. pay-per-sale 3. prospective payment system 4. prospective pricing system 5. protected payments system Latin post postscriptum (additional postscript)
P.P.S.
1. a second or additional postscript. Latin post postscriptum (additional postscript)
Ppt
Chemistry. 1. . ppt abbr. 1. parts per thousand 2. parts per trillion 3. precipitate permanent part time