The three letter abbreviation LSD can have several meanings: The TLA (three-letter acronym or three-letter abbreviation) is the most popular type of abbreviation in technical terminology, and is also very common in general language. ...

• LSD is the hallucinogenic drug D-lysergic acid diethylamide, also known as "acid". LSD is an acronym of the German name of the compound, Lysergsäure-diäthylamid.
• LSD is the US Navy hull classification symbol for Dock Landing Ship.
• LSD in numerical analysis is an abbreviation for Least Significant Digit, see loss of significance.
• LSD stands for limited slip differential in automobile engineering.
• LSD stands for linear slot diffuser in HVAC engineering.
• LSD or £sd, for Librae, Solidi, Denarii (pounds, shillings, pence) was the popular name for the pre-decimal currencies of the United Kingdom and several other countries.
• The French rock and roll band La Souris Deglinguee is sometimes called LSD.
• L.S.D. BBS stood for Lush Software Designs, a BBS software program developed by The Humble Guys.
• LSD is an acronym for Liberating Students Digitally, an open source advocacy group at the University of Alberta, Canada.
• LSD also stands for a set of compilation albums from Enigma, Love Sensuality Devotion: The Greatest Hits and The Remix Collection.
• LSD is also an acronym for "Long Slow Distance", a training method used by long distance runners who eschew fast, short runs in favor of slower but longer runs.

It may also mean: Hallucinogenic drugs or hallucinogens are drugs that can alter sensory perceptions, elicit alternate states of consciousness, or cause hallucinations. ... D-lysergic acid diethylamide, commonly called acid, LSD, or LSD-25, is a powerful semisynthetic psychedelic drug. ... Acronyms and initialisms are abbreviations formed from the initial letter or letters of words, such as NATO and XHTML, and are pronounced in a way that is distinct from the full pronunciation of what the letters stand for. ... The United States Navy (USN) is the branch of the United States armed forces responsible for naval operations. ... The United States Navy uses hull classification symbols (sometimes called hull codes) to identify the types of its ships. ... The United States Navy Dock Landing Ship (Navy hull classification LSD) was designed to support amphibious operations. ... Numerical analysis is the study of algorithms for the problems of continuous mathematics (as distinguished from discrete mathematics). ... Loss of significance is an undesirable effect in calculations using floating-point arithmetic. ... A Limited Slip Differential (LSD) (sometimes called positraction) is a modified or derived type of differential gear arrangement that allows for some difference in rotational velocity of the output shafts, but does not allow the difference in speed to increase beyond a preset amount. ... A small variety of cars, the most popular kind of automobile. ... Software being used to design HVAC systems HVAC (pronounced either H-V-A-C or, occasionally, H-VAK) is an initialism/acronym that stands for heating, ventilation and air-conditioning. This is sometimes referred to as climate control. ... The term £sd (pron. ... Rock and roll (also spelled Rock n Roll, especially in its first decade), also called rock, is a form of popular music, usually featuring vocals (often with vocal harmony), electric guitars and a strong back beat; other instruments, such as the saxophone, are common in some styles. ... Screenshot from the THG cracktro READTHG.EXE featuring The Humble Thug. ... University of Alberta on the south side of Edmonton The University of Alberta is situated along the south bank of the North Saskatchewan River in the heart of the city of Edmonton, Alberta, Canada. ... Album cover of MCMXC a. ...

• Line Sharing Device.
• Chicago's Lake Shore Drive.
• Long shore drift.
• Lambo Style Doors, a company that offers modification kits for cars.
• Liquid Sound Design, an electronic music record label.
• Layered Specification Document, a hierarchical set of engineering specifications that collectively describe a system from top down.
• A Beatles song title Lucy in the Sky with Diamonds often associated with the drug of the same acronym.
• A Hallucinogen (musician) song title.

A Modem Sharing Device (MSD), also commonly known as a Line Sharing Device (LSD), modem sharer, or line sharer, allows multiple devices to share a serial connection. ... Chicago (officially named the City of Chicago) is the third largest city in the United States (after New York City and Los Angeles), with an official population of 2,896,016, as of the 2000 census. ... Lake Shore Drive is a mostly freeway-standard expressway running parallel with and next to Lake Michigan through Chicago, Illinois, USA. Except for the northernmost part, it is designated as part of U.S. Highway 41. ... In geography, longshore drift (LSD) refers to a process by which sediments move along a beach shoreline. ... Liquid Sound Design is a chill-out/downtempo focused record label created by Martin Glover. ... ... In engineering and manufacturing, the term specification has the following meanings: Technical requirement An essential technical requirement for items, materials, or services, including the procedures to be used to determine whether the requirement has been met. ... A system is an assemblage of inter-related elements comprising a unified whole. ... The Beatles appeared on The Ed Sullivan Show in 1964 as part of their first tour of the United States, promoting their first hit single there, I Want To Hold Your Hand. ... Lucy in the Sky with Diamonds is a song written mostly by John Lennon (with some material by Paul McCartney) in 1967 and recorded by The Beatles for their album, Sgt. ... D-lysergic acid diethylamide, commonly called acid, LSD, or LSD-25, is a powerful semisynthetic psychedelic drug. ... Acronyms and initialisms are abbreviations formed from the initial letter or letters of words, such as NATO and XHTML, and are pronounced in a way that is distinct from the full pronunciation of what the letters stand for. ... Hallucinogen is Simon Posford, a producer of psychedelic trance music from England. ...

See also

• LDS (meaning among others Latter-day Saints / Mormons)