LSD Lysergic acid diethylamide, commonly known as LSD (from German ; often referred to as acid or lucy), is a semisynthetic, hallucinogenic compound derived from ergot, known for its powerful psychological effects and serotonergic activity. I ...

is lysergic acid diethylamide, a psychedelic drug. The initialism may also refer to:

Film and television

* '' Love Sex aur Dhokha'', a 2010 film by Dibakar Banerjee ** '' Love Sex aur Dhokha 2'', its 2024 sequel * "Lysergic Acid Diethylamide" (''Fringe''), a 2011 episode of the American science fiction drama television series ''Fringe'' * ''

LSD - Love, Scandal and Doctors ''LSD - Love, Scandal & Doctors'' is an Indian Hindi-language medical thriller web series that is streaming digitally on ALTBalaji and ZEE5 from 5 February 2021. The writers of the series are Palki Malhotra, Prakriti Mukherjee and Sumrit Shahi ...

'', Indian web series * '' LSD: Laal Suitcase Ta Dekhechen?'', Indian film

Music

* Left Spine Down, a Canadian cyberpunk band formed in 2001 * LSD (group), a musical supergroup formed in 2018 * LSD and the Search for God, an American band formed in 2005

Albums

* ''LSD'' (Cardiacs album), 2008 cancelled album * '' Labrinth, Sia & Diplo Present... LSD'', 2019, by LSD

Songs

* "LSD" (song), a 2015 song by ASAP Rocky * "L.S.D" (Skegss song), 2014 * "£.s.d.", a song by the Pretty Things, the B-side to the song " Come See Me", 1966 * "L.S.D.", a song by Hawkwind from the album '' Electric Tepee'', 1992 * "LSD" (Gloria Groove song), 2022

Organizations

League of Social Democrats The League of Social Democrats (LSD) is a social democratic party in Hong Kong. Chaired by Chan Po-ying, wife of Leung Kwok-hung, it positions itself as the radical wing of the pro-democracy camp and stresses on "street actions" and "parlia ...

, a political party in Hong Kong *

League for Spiritual Discovery League for Spiritual Discovery (LSD) was a spiritual organization inspired by the works of Timothy Leary, and strove for legal use of lysergic acid diethylamide (LSD) for the purpose of meditation, insight, and spiritual understanding. It was in ...

, organization active in the US in the mid-to-late 1960s, promoting the use and legality of LSD *

Louisiana School for the Deaf The Louisiana School for the Deaf is a state school for deaf and hard-of-hearing students in Louisiana, located in Baton Rouge, the state capital. It was established in 1852 as a joint school for blind students. In 1860, its first purpose-built ...

, Baton Rouge, US * Lutheran School For The Deaf, Kwai Chung, Hong Kong

Science and technology

* Language for Systems Development, a programming language *

Laser Schlieren Deflectometry Laser schlieren deflectometry (LSD) is a method for a high-speed measurement of the Temperature, gas temperature in Microscopic scale, microscopic dimensions, in particular for temperature peaks under dynamic conditions at atmospheric pressure. T ...

, for gas temperature measurement * Least significant digit * Lightweight

Service Discovery Service discovery is the process of automatically detecting devices and services on a computer network. It aims to reduce the manual configuration effort required from users and administrators. A service discovery protocol (SDP) is a network pro ...

Limit state design Limit State Design (LSD), also known as Load And Resistance Factor Design (LRFD), refers to a design method used in structural engineering. A limit state is a condition of a structure beyond which it no longer fulfills the relevant design criteri ...

in structural engineering *

Limited slip differential A limited-slip differential (LSD) is a type of differential gear train that allows its two output shafts to rotate at different speeds but limits the maximum difference between the two shafts. Limited-slip differentials are often known by the ...

, for vehicles *

Local Peer Discovery The Local Peer Discovery protocol, specified as BEP-14, is an extension to the BitTorrent (protocol), BitTorrent file-distribution system. It is designed to support the discovery of local BitTorrent (protocol), BitTorrent peers, aiming to minimiz ...

, or Local Service Discovery * Line sharing device or modem sharing device * Linear slot HVAC diffuser * Log-spectral distance or log-spectral distortion * Low self-discharge NiMH battery *

Low sulfur diesel Ultra-low-sulfur diesel (ULSD) is diesel fuel with substantially lowered sulfur content. Since 2006, almost all of the petroleum-based diesel fuel available in Europe and North America has been of a ULSD type. The move to lower sulfur content all ...

, a fuel * Lumpy skin disease of cattle *

Lysosomal storage disease Lysosomal storage diseases (LSDs; ) are a group of over 70 rare inherited metabolic disorders that result from defects in lysosomal function. Lysosomes are sacs of enzymes within cells that digest large molecules and pass the fragments on to other ...

, metabolic disorders

Other uses

Karolina Dean Karolina Dean ( ) is a superhero appearing in American comic books published by Marvel Comics. Created by writer Brian K. Vaughan and artist Adrian Alphona, Karolina Dean first appeared in ''Runaways'' #1 (July 2003). Dean belongs to the extra ...

or LSD, Marvel Comics character in ''Runaways'' *

Lake Shore Drive Lake Shore Drive (officially Jean Baptiste Pointe du Sable Lake Shore Drive; also known as DuSable Lake Shore Drive, the Outer Drive, the Drive, LSD or DLSD) is a semi-limited access Limited-access highway, expressway that runs alongside the sh ...

, Chicago, U.S. * Landing Ship, Dock, US Navy designation * Legal subdivision in

Dominion Land Survey The Dominion Land Survey (DLS; ) is the method used to divide most of Western Canada into one-square-mile (2.6 km2) sections for agricultural and other purposes. It is based on the layout of the Public Land Survey System used in the United St ...

of Western Canada *

Little Sandy Desert The Little Sandy Desert (LSD) is a desert region in the state of Western Australia, lying to the east of the Pilbara and north of the Gascoyne regions. It is part of the Western Desert cultural bloc, Western Desert cultural region, and was dec ...

, a desert and bioregion in Western Australia * "Little"

Spike Dudley Matthew Jonathan Hyson (born August 13, 1970) is an American semi-retired Professional wrestling, professional wrestler best known for his tenure in WWE, World Wrestling Entertainment (WWE) as Spike Dudley. Prior to WWE, Hyson began performing ...

, US wrestler *

Long slow distance Long slow distance (LSD) is a form of aerobic endurance training used in sports including running, rowing, skiing and cycling.Burke, Ed and Ed Pavalka. 2000. ''The complete book of long-distance cycling: build the strength, skills, and confiden ...

running training * '' LSD: Dream Emulator'', a 1998 Japanese video game * Lsd or

£sd file:Guildhall Museum Collection- Drusilla Dunford Money Table Sampler 3304.JPG, A Sampler (needlework), sampler in the Rochester Guildhall, Guildhall Museum of Rochester, Medway, Rochester illustrates the conversion between pence and shillings ...

, short for the Imperial Roman coins , , and , now used for pounds, shillings, and pence