LD
From Wikipedia, the free encyclopedia
LD can mean:
In science and mathematics:
- Lethal dose, the percentage of test organisms killed by a specific dosage (of drugs, radiation, etc.).
- The logarithm of base 2, ld(x) = log2(x), from the Latin logarithmus dualis.
- Lunar distance, the distance between the Earth and the Moon and a measure of navigation.
- Linkage disequilibrium, when seemingly independent alleles have different rates of appearance (thanks to fitness concerns, etc.) in genetics.
In technology:
- Laserdisc format, an obsolete video/data format and predecessor to compact discs.
- 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.
- Linkdead, shorthand for "disconnected from the server" in some online activities and games.
- 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
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).
- Legislative district, a division of voters into a district.
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
LD can also refer to:
- Lincoln-Douglas debate, a form of debate.
- Learning disability, a condition that can impair learning through standard methods
- Lilian day, a variant of the Julian day.
- Lucid dreaming, techniques for remebering and controlling dreams.
- Lighting designer, the person in charge of lighting in theatre.
- Air Hong Kong and Linea Turistica Aerotuy, airlines with IATA code LD.
- Liquor drink, a drink composed of a Distilled beverage and a drink mixer.
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