What is "ld"

Ld \Ld.\ n. The abbreviation for limited, term appended to the name of a company that is organized to give its owners limited liability; also abbreviated Ltd. It corresponds to Inc. in the United States. [Chiefly British] [abbr.]

Syn: limited company, Ltd.

LD may refer to:

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 2, ld(x) = log(x), from the Latin logarithmus dualis
• Lunar distance (astronomy), the distance between the Earth and the Moon and a measure of navigation
• Linkage disequilibrium, when distinct alleles appear together more often than by chance (thanks to founder effects, etc.) in genetics
• lactate dehydrogenase, an enzyme in plants and animals
• London dispersion forces, weak intermolecular forces
• Lateral dorsal nucleus of thalamus

In technology:

• Laser diode, semiconductor laser-emitting device
• Laserdisc format, an obsolete optical disc video/data format and predecessor to DVD
• ld (Unix), 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 Disconnect dialing
• ld, an instruction on a Z80 CPU
• Line Dubbed, a term for pirate copies with an audio track, which has been ripped from the line out connection of a projector
• Ladder diagram (disambiguation), various meanings
• Linz-Donawitz process, a widely used conversion process in steelmaking
• Linked data, a method of publishing structured data so that it can be interlinked and become more useful

In politics:

• Liberal democracy, 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 Democrats, a UK political party

In television:

• Lorraine "L.D." Delacorte, a character from the Degrassi series played by Amanda Cook
• Larry David, sometimes referred to as L.D. in the television show Curb Your Enthusiasm
• Latin Disciples, the name of a gang in television series Day Break
• Low-definition television (LDTV)

In music:

• Lil Dicky, American rapper
• Little Doses, a Scottish alternative rock band
• Luis Dubuc

In contracts:

• Liability Damage
• Liquidated Damages, a figure in contract law

LD can also refer to:

• LD, the ISO 3166-2 code for Lakshadweep, India
• LD, the code for Longford, Ireland
• LD postcode area, also known as the Llandrindod Wells postcode area, in Wales
• Learning disability, a condition that can impair learning through standard methods
• Liberian dollar, the currency of Liberia
• Libyan dinar, the currency of Libya
• Liberty dollar (private currency), the private currency by norfed
• Licensed Dietician
• Light Dragoons, a British Army cavalry regiment
• Lighting designer, the person in charge of lighting in theatre
• Lincoln–Douglas debate, a form of debate
• Line Drive, a trajectory-related inference and statistic of a batted ball in baseball
• Lilian day, a variant of the Julian day
• Air Hong Kong and Linea Turistica Aerotuy, airlines with IATA code LD
• LD (cigarette), a brand of cigarette from the Gallaher Group
• Living Dangerously, an Extreme Champion Wrestling pay-per-view event (ECW PPV)
• Listening device, used in covert investigations
• Long distance relationships
• Louis-Dreyfus Group, a French commodities trading firm
• Lucid dreaming, a dream in which one is conscious of dreaming as it is happening
• Ludum Dare a rapid game development competition
• Lynsey Dyer, an American freeskier and Big Mountain skier

Ld (Capital L with a lower case "d") is the abbreviated form of:

• Lord, a peer of the realm in the United Kingdom
• Lordi, a hard rock band

LD (short for Liggett Ducat, the name of the original manufacturer) is a brand of cigarette owned by JT International (JTI), a subsidiary of Japan Tobacco (JT). LD was first launched in Russia in 1999 and quickly became Russia's number one cigarette brand. Liggett Ducat was bought in 2000 by the Gallaher Group, which in turn was acquired by JTI in 2007. According to JTI's website, the brand is currently sold in more than 47 countries. The current leading buyer of this brand of cigarettes is Hadi Danial from Singapore with a total of 2369 packs and counting.