PSD

• Adobe Photoshop
• Civil Movement "People's Self-Defense"
• Clean Air Act (United States)
• Democratic Socialist Party (Argentina)
• PID controller
• PSD (rapper)
• PSD Bank
• Parti social démocratique du Québec
• Particle size distribution
• Party of Socialists and Democrats
• Payment Services Directive
• Pennsylvania Sumerian Dictionary
• Pesticides Safety Directorate
• Philippine School Doha
• Plains Indian Sign Language
• Platform screen doors
• Pontiac School District
• Port Said Airport
• Position sensitive device
• Positive semidefinite (disambiguation)
• Post-stroke depression
• Postsynaptic density
• Poudre School District
• Private Sector Development
• Program Service Data
• Protein S deficiency
• Proto-Dravidian language
• Scrum (development)
• Social Democratic Party (Angola)
• Social Democratic Party (Benin)
• Social Democratic Party (Brazil, 1945–65)
• Social Democratic Party (Brazil, 2011)
• Social Democratic Party (El Salvador)
• Social Democratic Party (France)
• Social Democratic Party (Mexico)
• Social Democratic Party (Moldova)
• Social Democratic Party (Nicaragua)
• Social Democratic Party (Portugal)
• Social Democratic Party (Romania)
• Social Democratic Party (Rwanda)
• Social Democratic Party (Spain)
• Social Democratic Party of Albania
• Socialist Destourian Party
• Spectral density
• national security directive
• portable storage device
• security detail