PSD

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PSD may refer to:

Video PSD

Science and engineering

Computing

• Personal or portable storage device
• .psd Photoshop document file extension
• Professional Scrum Developer, a course leading to certification for Scrum (development)

Medicine

• Protein S deficiency
• Post-stroke depression
• Postsynaptic density, a specialization of the cytoskeleton at the synaptic junction

Other uses in science and engineering

• Particle size distribution, in granular materials
• Platform screen doors, on railway platforms
• Position sensitive device or detector, a two-dimensional photodetector
• Positive semidefinite (disambiguation)
• Power spectral density, distribution of power of a signal
• Program Service Data, data displayed on HD radio receiver
• Proportional-summation-difference, a type of PID controller

Maps PSD

Political parties

• Parti social démocratique du Québec, a former provincial political party in Quebec, Canada
• Party of Socialists and Democrats, a major political party of San Marino
• Civil Movement "People's Self-Defense", a defunct political movement in Ukraine which was part of the Our Ukraine-People's Self-Defense Bloc electoral alliance
• Social Democratic Party (Albania), a minor political party of Albania
• Social Democratic Party (Angola), a political party of Angola
• Social Democratic Party (Benin), a political party of Benin
• Social Democratic Party (Brazil, 1945-65), a defunct political party of Brazil
• Social Democratic Party (Brazil, 2011), a current political party of Brazil
• Social Democratic Party (El Salvador), a political party of El Salvador
• Social Democratic Party (France), a defunct political party of France
• Social Democratic Party (Mexico), a defunct political party of Mexico
• Social Democratic Party (Moldova), a political party of Moldova
• Social Democratic Party (Nicaragua), a political party of Nicaragua
• Social Democratic Party (Portugal), a major political party of Portugal
• Social Democratic Party (Romania), a major political party of Romania
• Social Democratic Party (Rwanda), a political party of Rwanda
• Social Democratic Party (Spain), a defunct political party of Spain
• Socialist Destourian Party, former name (to 1988) of the ruling party in Tunisia, currently called Constitutional Democratic Rally

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Education

• Philippine School Doha, a Filipino school in Doha, Qatar
• Pontiac School District, a school district in Michigan, US
• Poudre School District, a school district in Larimer County, Colorado

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Government and military

• Payment Services Directive, EU regulation for payment services
• Pesticides Safety Directorate, UK
• Presidential Study Directive, a kind of national security directive from the Obama presidency
• Prevention of Significant Deterioration (PSD) permit, under the Clean Air Act (United States)
• Protective Services Detail, Personal Security Detachment, or Personal Security Detail; US military security details

src: tricky-photoshop.com

Other uses

• PSD (rapper), a Californian rapper and hip-hop producer
• Pennsylvania Sumerian Dictionary, a project to compile a dictionary of the Sumerian language
• Plains Indian Sign Language (ISO 639-3 code "psd")
• Port Said Airport, Egypt (IATA code PSD)
• Private Sector Development, term used in international development

Source of the article : Wikipedia