SD
Encyclopedia
SD may refer to:
- Salvia DivinorumSalvia divinorumSalvia divinorum is a psychoactive plant which can induce dissociative effects and is a potent producer of "visions" and other hallucinatory experiences...
- Southern Cross DecorationSouthern Cross DecorationThe Southern Cross Decoration was a South African military decoration. It was instituted on July 1, 1975, and was awarded to officers of the South African Defence Force, for outstanding service of the highest order, and utmost devotion to duty. In practice, it was usually a requirement that the...
(SD), a South African military award - Stage directions
- Sisters of the DestituteSisters of the DestituteSisters of the Destitute is a Syro-Malabar Catholic women's order.-History:The Congregation of the Sisters of the Destitute was founded by Servant of God Varghese Payapilly Palakkappilly in Chunangamvely, Kerala on 19 March 1927....
, a Syro-Malabar Catholic women's order - Spasmodic dysphoniaSpasmodic dysphoniaSpasmodic dysphonia is a voice disorder characterized by involuntary movements of one or more muscles of the larynx during speech.- Types of spasmodic dysphonia :...
- Super deformedSuper deformedSuper deformed or SD is a specific style of Japanese caricature where characters are drawn in an exaggerated way, typically small and chubby, with stubby limbs and oversized heads, to make them resemble small children...
, a specific style of Japanese caricature - Sindhi languageSindhi languageSindhi is the language of the Sindh region of Pakistan that is spoken by the Sindhi people. In India, it is among 22 constitutionally recognized languages, where Sindhis are a sizeable minority. It is spoken by 53,410,910 people in Pakistan, according to the national government's Statistics Division...
's ISO 639-1 code - SubdivisionSubdivisionSubdivision may refer to:* Country subdivision** Subdivision , a term for an urban or suburban area, especially if recently parceled up into smaller plots for new uses** Census geographic units of Canada , a term used in Canada...
in North American rail terminology - SudanSudanSudan , officially the Republic of the Sudan , is a country in North Africa, sometimes considered part of the Middle East politically. It is bordered by Egypt to the north, the Red Sea to the northeast, Eritrea and Ethiopia to the east, South Sudan to the south, the Central African Republic to the...
's ISO country code - Sudan AirwaysSudan AirwaysSudan Airways is the national airline of Sudan, headquartered in Khartoum. The airline operates under the IATA airline designator SD and the ICAO airline designator SUD, while its callsign is SUDANAIR....
' IATA airline designator - Sekolah Dasar, an Indonesian junior school
- Sustainable developmentSustainable developmentSustainable development is a pattern of resource use, that aims to meet human needs while preserving the environment so that these needs can be met not only in the present, but also for generations to come...
Organizations
, the intelligence service of the Nazi SS or Democratic Left, an Italian political party- Social Democrats (Slovenia)Social Democrats (Slovenia)The Social Democrats is a centre-left political party in Slovenia, currently led by Borut Pahor. From 1993 until 2005, the party was known as the United List of Social Democrats .-Origins:...
, a left-wing Slovenian political party, a defunct Polish party - Swiss DemocratsSwiss DemocratsThe Swiss Democrats are a right-wing political party in Switzerland.The party is not represented in the Federal Assembly, but has two members of the Grand Council of Aargau....
or , a right-wing political party in Switzerland - Swedish Democrats, a nationalist party in Sweden
- StardollStardollStardoll is a browser game for girls and boys based around the paper doll concept. Launched in 2004, the website was attracting a reported 200 thousand unique users a month ; as of September 2011 there were over 124 million users worldwide...
, a girl dressing up website
Places
- San Diego, the second largest city in California
- South DakotaSouth DakotaSouth Dakota is a state located in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux American Indian tribes. Once a part of Dakota Territory, South Dakota became a state on November 2, 1889. The state has an area of and an estimated population of just over...
United States postal abbreviation
Science and technology
- SD video or standard-definition television
- Secure DigitalSecure DigitalSecure Digital is a non-volatile memory card format developed by the SD Card Association for use in portable devices. The SD technology is used by more than 400 brands across dozens of product categories and more than 8,000 models, and is considered the de-facto industry standard.Secure Digital...
(SD), a flash memory card format - Single domain (magnetic)Single domain (magnetic)Single domain, in magnetism, refers to the state of a ferromagnet in which the magnetization does not vary across the magnet. A magnetic particle that stays in a single domain state for all magnetic fields is called a single domain particle . Such particles are very small...
, a uniformly magnetized state - Software DistributorSoftware DistributorSoftware Distributor is the Hewlett-Packard company's name for their HP-UX software package management system.SD provides a set of tools for creating packages that will install software on a system running the HP-UX operating system...
, an HP-UX software package management system - Splash DamageSplash DamageSplash Damage is an independently-owned British game development company that specializes in multiplayer first-person shooter games. The studio is best known as the creator of the Enemy Territory franchise for id Software.-History:...
, a British game developing firm - Standard deviationStandard deviationStandard deviation is a widely used measure of variability or diversity used in statistics and probability theory. It shows how much variation or "dispersion" there is from the average...
, a mathematical statistical measure - Sympathetic detonationSympathetic detonationA sympathetic detonation , also called flash over, is a detonation, usually unintended, of an explosive charge by a nearby explosion. Sympathetic detonation is caused by a shock wave, or impact of primary or secondary blast fragments.The initiating explosive is called donor explosive, the initiated...
- System dynamicsSystem dynamicsSystem dynamics is an approach to understanding the behaviour of complex systems over time. It deals with internal feedback loops and time delays that affect the behaviour of the entire system. What makes using system dynamics different from other approaches to studying complex systems is the use...
, a type of system modelling involving feedback loops and stocks and flows