PSD

PSD may refer to:

Educational bodies

Pennsylvania School for the Deaf, a Pre-K to 12th grade school for Deaf and Hard of Hearing students, located in the Germantown section of Philadelphia, Pennsylvania
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

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

Language

Pennsylvania Sumerian Dictionary, lexicography project for the ancient language isolate
Plains Indian Sign Language (ISO 639-3 code: psd)
Proto-South Dravidian, unattested language of south India

Political parties

Africa

Social Democratic Party (Angola), a political party of Angola
Social Democratic Party (Benin), a political party of Benin
Social Democratic Party of Madagascar, a political party of Madagascar
Social Democratic Party (Rwanda), a political party of Rwanda
Socialist Destourian Party, former name (to 1988) of the ruling party in Tunisia, currently called Constitutional Democratic Rally

Americas

Parti social démocratique du Québec, a former provincial political party in Canada
Democratic Socialist Party (Argentina), a defunct political party of Argentina
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 (Mexico), a defunct political party of Mexico
Social Democratic Party (Nicaragua), a political party of Nicaragua

Europe

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
Party of Socialists and Democrats, a major political party of San Marino
Social Democratic Party of Albania, a minor political party of Albania
Social Democratic Party (France), a defunct political party of France
Social Democratic Party (Moldova), a political party of Moldova
Social Democratic Party (Portugal), a major political party of Portugal
Social Democratic Party (Romania), a major political party of Romania
Social Democratic Party (Spain), a defunct political party of Spain

Science and engineering

Computing

Personal or portable storage device
.psd, a Photoshop document file extension
Professional Scrum Developer, a course leading to certification for Scrum (development)
Power spectral density, the distribution of power per unit time into frequency components composing that signal.

Medicine

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

Other uses in science and engineering

Particle size distribution, in granular materials
Platform screen doors, in 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

Other uses

PSD (rapper), a Californian rapper and hip-hop producer
Port Said Airport, Egypt (IATA code PSD)
Private Sector Development, term used in international development
PSD Bank, German banking group

Patricia Street Deli, a famous sandwich and soup restaurant located in the tourist town of Jasper, Alberta, Canada
FK PSD, a handgun chambered mainly in 7.5 FK but also comes with barrels for 10mm Auto and 9x19mm

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