LD
Encyclopedia
LD may refer to:
In science and mathematics:
In technology:
In politics:
In television:
In music:
LD can also refer to:
Ld (Capital L with a lower case "d") is the abbreviated form of:
In science and mathematics:
- Lethal dose#, where "#" represents the percentage of test organisms killed by a specific dosage (of drugs, radiation, etc.), e.g. half will die at LD50.
- The logarithm of base 2Binary logarithmIn mathematics, the binary logarithm is the logarithm to the base 2. It is the inverse function of n ↦ 2n. The binary logarithm of n is the power to which the number 2 must be raised to obtain the value n. This makes the binary logarithm useful for anything involving powers of 2,...
,
, from the Latin logarithmus dualis. - Lunar distanceLunar distance (astronomy)In astronomy, a lunar distance is a measurement of the distance from the Earth to the Moon. The average distance from Earth to the Moon is 384,400 kilometers...
, the distance between the Earth and the Moon and a measure of navigation. - Linkage disequilibriumLinkage disequilibriumIn population genetics, linkage disequilibrium is the non-random association of alleles at two or more loci, not necessarily on the same chromosome. It is also referred to as to as gametic phase disequilibrium , or simply gametic disequilibrium...
, when distinct alleles appear together more often than by chance (thanks to founder effects, etc.) in genetics. - lactate dehydrogenaseLactate dehydrogenaseLactate dehydrogenase is an enzyme present in a wide variety of organisms, including plants and animals.Lactate dehydrogenases exist in four distinct enzyme classes. Two of them are cytochrome c-dependent enzymes, each acting on either D-lactate or L-lactate...
, an enzyme in plants and animals - London dispersion forces, weak intermolecular forces
In technology:
- Laser diodeLaser diodeThe laser diode is a laser where the active medium is a semiconductor similar to that found in a light-emitting diode. The most common type of laser diode is formed from a p-n junction and powered by injected electric current...
- LaserdiscLaserdiscLaserDisc was a home video format and the first commercial optical disc storage medium. Initially licensed, sold, and marketed as MCA DiscoVision in North America in 1978, the technology was previously referred to interally as Optical Videodisc System, Reflective Optical Videodisc, Laser Optical...
format, an obsolete optical discOptical discIn computing and optical disc recording technologies, an optical disc is a flat, usually circular disc which encodes binary data in the form of pits and lands on a special material on one of its flat surfaces...
video/data format and predecessor to Digital Video Disc (DVDDVDA DVD is an optical disc storage media format, invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995. DVDs offer higher storage capacity than Compact Discs while having the same dimensions....
). - ld (Unix)Ld (Unix)GNU linker is the GNU Project's implementation of the Unix command ld. GNU ld runs the linker, which creates an executable file from object files created during compilation of a software project. A linker script may be passed to GNU ld to exercise greater control over the linking process...
, the linker command on Unix and Unix-like systems. - Long distance, a telephone call to another area sufficiently far away to be charged at a higher rate.
- Loop DisconnectPulse dialingPulse dialing, dial pulse, or loop disconnect dialing, also called rotary or decadic dialling in the United Kingdom , is pulsing in which a direct-current pulse train is produced by interrupting a steady signal according to a fixed or formatted code for each digit and at a standard pulse repetition...
dialing. - ld, an instruction on a Z80 CPU.
- Line Dubbed, a term for pirate copiesCopyright infringementCopyright infringement is the unauthorized or prohibited use of works under copyright, infringing the copyright holder's exclusive rights, such as the right to reproduce or perform the copyrighted work, or to make derivative works.- "Piracy" :...
with an audio track, which has been ripped from the line out connection of a projector - Ladder diagramLadder diagramLadder diagram refers to:* Ladder logic, a method of drawing electrical logic schematics. A ladder diagram represents a program in ladder logic....
In politics:
- Liberal democracyLiberal democracyLiberal democracy, also known as constitutional democracy, is a common form of representative democracy. According to the principles of liberal democracy, elections should be free and fair, and the political process should be competitive...
, a form of government based on rule of the people (democracy) tempered by the rule of law and natural rights (liberalism) - A form of debate (Lincoln–Douglas debate)
- Liberal DemocratsLiberal DemocratsThe Liberal Democrats are a social liberal political party in the United Kingdom which supports constitutional and electoral reform, progressive taxation, wealth taxation, human rights laws, cultural liberalism, banking reform and civil liberties .The party was formed in 1988 by a merger of the...
A UK based liberal political party.
In television:
- Lorraine "L.D." Delacorte, a character from the Degrassi series played by Amanda Cook.
- Larry DavidLarry DavidLawrence Gene "Larry" David is an American actor, writer, comedian and producer. He is best known as the co-creator , head writer, and executive producer of the television series Seinfeld from 1989 to 1996, and for creating the 1999 HBO series Curb Your Enthusiasm, a partially improvised sitcom in...
, sometimes referred to as L.D. in the television show Curb Your Enthusiasm. - Latin Disciples, the name of a gang in television series Day BreakDay BreakDay Break is a television program for which one 13-episode season was produced. The series starred Taye Diggs as Detective Brett Hopper, who is framed for the murder of Assistant District Attorney Alberto Garza. Due to a time loop, Hopper lives the same day over and over...
- Low-definition televisionLow-definition televisionLow-definition television or LDTV refers to television systems that have a lower screen resolution than standard-definition television systems. The term is usually used in reference to digital television, in particular when broadcasting at the same resolution as low-definition analog TV systems...
(LDTV)
In music:
- Little DosesLittle DosesLittle Doses are an alternative rock band from Scotland, formed in Edinburgh in 2006. The band comprises lead vocalist Kirsten Ross, Mark McClelland on bass guitar and backing vocals and Michael Branagh on drums and backing vocals...
, a Scottish alternative rock band - Luis Dubuc
LD can also refer to:
- LD, the code for LongfordCounty LongfordCounty Longford is a county in Ireland. It is part of the Midlands Region and is also located in the province of Leinster. It is named after the town of Longford.Longford County Council is the local authority for the county...
, Ireland - Liberian dollarLiberian dollarThe dollar has been the currency of Liberia since 1943. It was also the country's currency between 1847 and 1907. It is normally abbreviated with the dollar sign $, or alternatively L$ or LD$ to distinguish it from other dollar-denominated currencies. It is divided into 100 cents.-First dollar:The...
, the currency of Liberia - Libyan dinarLibyan dinarThe dinar is the currency of Libya. Its ISO 4217 code is "LYD". The dinar is subdivided into 1000 dirham . It was introduced in 1971 and replaced the pound at par. It is issued by the Central Bank of Libya, which also supervises the banking system and regulates credit...
, the currency of Libya - Liberty dollarLiberty DollarThe Liberty Dollar was a private currency produced in the United States. The currency was issued in minted metal rounds similar to coins, gold and silver certificates and electronic currency . ALD certificates are "warehouse receipts" for real gold and silver owned by the bearer, ALD certificate...
, the private currency by norfed - Licensed Dietician
- Lincoln–Douglas debate, a form of debate
- Line DriveLine driveIn baseball, a line drive is a type of batted ball, sharply hit, and on a level trajectory. The threshold between a line drive and a fly ball can be subjective....
, a trajectory-related inference and statistic of a batted ball in baseball. - Little Diamond
- Learning disabilityLearning disabilityLearning disability is a classification including several disorders in which a person has difficulty learning in a typical manner, usually caused by an unknown factor or factors...
, a condition that can impair learning through standard methods - Lilian day, a variant of the Julian dayJulian dayJulian day is used in the Julian date system of time measurement for scientific use by the astronomy community, presenting the interval of time in days and fractions of a day since January 1, 4713 BC Greenwich noon...
. - Lucid dreamingLucid dreamingA lucid dream is a dream in which one is aware that one is dreaming. The term was coined by the Dutch psychiatrist and writer Frederik van Eeden . In a lucid dream, the dreamer can actively participate in and manipulate imaginary experiences in the dream environment. Lucid dreams can seem real and...
, a dream in which one is conscious of dreaming as it is happening. - Long distance relationshipLong-distance relationshipA long-distance relationship is typically an intimate relationship that takes place when the partners are separated by a considerable distance....
s - Lighting designerLighting designerThe role of the lighting designer within theatre is to work with the director, choreographer, set designer, costume designer, and sound designer to create an overall 'look' for the show in response to the text, while keeping in mind issues of visibility, safety and cost...
, the person in charge of lighting in theatre. - Air Hong KongAir Hong KongAHK Air Hong Kong Limited is the only all cargo airline based in Hong Kong, with its main hub at Hong Kong International Airport. The airline operates an express freight network to 12 destinations in nine countries, including China, Japan, Malaysia, Philippines, Republic of China , Singapore,...
and Linea Turistica AerotuyLinea Turistica AerotuyLínea Turística Aereotuy is an airline based in Caracas, Venezuela. It operates services to remote destinations in Venezuela, including tourist attractions. Its main base is Simón Bolívar International Airport, Caracas.-History:...
, airlines with IATA code LD. - Liquor drink, a drink composed of a Distilled beverageDistilled beverageA distilled beverage, liquor, or spirit is an alcoholic beverage containing ethanol that is produced by distilling ethanol produced by means of fermenting grain, fruit, or vegetables...
and a drink mixerDrink mixerDrink mixers are the non-alcoholic ingredients in mixed drinks and cocktails. There are many reasons mixers are used. They change or enhance flavors or add new ones to a drink. Mixers dilute the drink, lowering the alcohol by volume in the drink. They may make the drink sweeter, more sour, or more...
. - LD (cigarette)LD (cigarette)LD is a brand of cigarette owned by Japan Tobacco. It was first launched in Russia in 1999 and quickly became Russia's number one cigarette brand. Liggett Ducat was bought by the Gallaher Group in 2000, which in turn was acquired by JTI in 2007...
, a brand of cigarette from the Gallaher GroupGallaher GroupGallaher Group is a major United Kingdom-based multinational tobacco company. It was traded on the London Stock Exchange and was a constituent of the FTSE 100 Index, prior to its April 2007 acquisition by Japan Tobacco.-History:...
. - Living Dangerously, an ECWExtreme Championship WrestlingExtreme Championship Wrestling was a professional wrestling promotion that was founded in Philadelphia, Pennsylvania in 1992 by Tod Gordon and closed when his successor, Paul Heyman, declared bankruptcy in April 2001...
PPV - Louis-Dreyfus Group, a French commodities trading firm
- Lynsey DyerLynsey DyerLynsey Dyer is an American freestyle skier and Big Mountain skier. She grew up in Sun Valley, Idaho. Lynsey also loves art and frequently does photography and graphic art...
, an American freeskier and Big Mountain skier. - Liquidated DamagesLiquidated damagesLiquidated damages are damages whose amount the parties designate during the formation of a contract for the injured party to collect as compensation upon a specific breach ....
, a figure in ContractContractA contract is an agreement entered into by two parties or more with the intention of creating a legal obligation, which may have elements in writing. Contracts can be made orally. The remedy for breach of contract can be "damages" or compensation of money. In equity, the remedy can be specific...
Law - Listening device, used in covert investigations
- LincsDriver, a car club in Lincoln, United KingdomUnited KingdomThe United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...
.
Ld (Capital L with a lower case "d") is the abbreviated form of:
- LordLordLord is a title with various meanings. It can denote a prince or a feudal superior . The title today is mostly used in connection with the peerage of the United Kingdom or its predecessor countries, although some users of the title do not themselves hold peerages, and use it 'by courtesy'...
, a peer of the realm in the United KingdomUnited KingdomThe United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...
. - LordiLordiLordi is a Finnish hard rock/heavy metal band, formed in 1996 by the band's lead singer, songwriter and costume-designer, Mr. Lordi. The band is known for wearing monster masks and using pyrotechnics during concerts...
, a hard rockHard rockHard rock is a loosely defined genre of rock music which has its earliest roots in mid-1960s garage rock, blues rock and psychedelic rock...
band.