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PPD may refer to: ;Security * In the United States, the Protective Services Detail, also known as Personal Protection Detail or Personal Protective Division (PPD), the Inner Circle of Secret Service appointed to protect high-visibility or high-risk individuals and/or groups including the President of the United States, the Vice President of the United States, visiting Heads of State, Presidential presumptive nominees and the like ;Computing * Pixels per Degree, a measure of the quality of a display * Points Per Day is a mechanism for measuring work done in the Folding@home distributed computing project * PostScript Printer Description files are created by vendors to describe the entire set of features and capabilities available for their PostScript printers ;Political parties * Popular Democratic Party of Puerto Rico (''Partido Popular Democrático''), a political party in Puerto Rico * ''Partido Popular Democrático/Partido Social Democrata'', a political party in Portugal * ''Partito Popolare Democratico Svizzero'', a political party in Switzerland * Party for Democracy (''Partido por la Democracia''), a political party in Chile ;Science and Medicine * p-Phenylenediamine, an aromatic amine * Paranoid personality disorder, a psychiatric diagnosis * Persistent Pigment Darkening, a measure of UVA protection by sunscreens * Pharmaceutical Product Development, a Global contract research organization (CRO) * Postharvest physiological deterioration, a process that renders root tubers of cassava black and inedible * Postpartum depression, an after childbirth condition, is a mental health disorder striking women within the first year after giving birth * Pour Point Depressant, a chemical added to crude oil to depress (lower) the Pour point * ppd, Protopanaxadiol, an active molecule * Purified Protein Derivative, also known as the Mantoux screening test, Tuberculin Sensitivity Test, Pirquet test, or PPD test, used for tuberculosis testing * Pheophorbidase, an enzyme ;Miscellaneous * ''Pani Poni Dash!'', an anime series * Partners in Population and Development, an intergovernmental organization * Philadelphia Police Department, a police agency in Pennsylvania, U.S. * Phoenix Police Department, a police agency in Arizona, U.S. * Pontypridd railway station, Wales, National Rail station code * PPD-40, a Russian submachine gun * Pre-Paid Legal Services, Inc., New York Stock Exchange ticker symbol * Prevention Project Dunkelfeld, an effort to help self-identifying pedophiles to stay offence free * Published Price to Dealer, a music industry term designating unit price * Postponed, most commonly a sporting event, especially baseball, usually due to rain, see also Rainout (sports) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「PPD」の詳細全文を読む スポンサード リンク
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