LR

LR is an abbreviation with multiple meanings:

• The ISO 3166-1 alpha-2 country code for Liberia
• The Aerodrome Identification Letters for RAF Little Rissington
• The IATA code for Lacsa/TACA airline
• Lactated Ringer's solution, an intravenous fluid
• Land Rover
• Legislative route
• LR(k) (Left-to-right, Rightmost-derivation with k symbols of lookahead), a type of parser for deterministic context-free grammars
• Late Registration, rapper/producer Kanye West's second album
• Latus rectum, a line segment parallel to the directrix through the focus of a conic section
• Long Range (Aerospace)
• .22 Long Rifle, a type of rimfire cartridge ammunition
• Lightning Rod, a device used to divert and ground lightning
• Line Rider, a flash toy by Boštjan Čadež (also known as fšk)
• The Lord of the Rings, a novel by J. R. R. Tolkien and its subsequent adaptations
• The Lost Road and Other Writings, part of The History of Middle-earth book series by Christopher Tolkien
• Lexical resource
• Logan's Run 1967 novel that has spawned multiple adaptations and sequels in literature, film, television, and comic books.
• Lloyd's Register
• Lego Racers
• Lawrencium Lr is the abbrievation for Lawrencium in the Periodic table of elements.
• Little Rock, Arkansas, the capital of Arkansas

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