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pt.
PT boat
PTA
pta.
ptarmigan
PTC
PTE
Pte
pteranodon
pteridology
pteridophyte
pteridosperm
pterodactyl
pteropod
pterosaur
-pterous
pteroylglutamic acid
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PTO
PTO


abbr 
Definition:
 
1. Parent-Teacher Organization
2. Patent and Trademark Office
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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