All articles starting with L
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Loop space
The loop space ΩY of a pointed topological space Y is the space of loops in Y that start and end at the base point.
Loop tiling
Loop tiling, also called loop blocking or cache blocking, is a program transformation that partitions a loop nest into tiles so cached data is reused before eviction.
Loop Tour
The Loop Tour is the sixth concert tour by English singer-songwriter Ed Sheeran, supporting his album Play, spanning 59 shows across Oceania, North America, and Latin America in 2026.
LOOP trial
LOOP trial: Danish randomized controlled trial (NCT02036450) testing implantable loop recorder screening for atrial fibrillation in 6,004 people aged 70-90 with stroke risk factors; AF detection tripled but stroke reduction was not significant (HR 0.80).
Loop unrolling
Loop unrolling is a compiler optimization that replicates a loop body and adjusts iteration logic, reducing branch overhead and exposing instruction-level parallelism at the cost of code growth.
Loop-carried dependence analysis
Loop-carried dependence analysis is the compiler technique that determines whether a loop's iterations depend on earlier ones, deciding which loops can run in parallel or be vectorized.
Loop-mediated isothermal amplification
Loop-mediated isothermal amplification (LAMP) is a nucleic acid amplification method that copies DNA or RNA at one constant temperature, typically 65 °C, using four to six primers.
Loopback
Loopback: a mechanism connecting a bidirectional telephony or data path back upon itself so transmitted signals return to the sender, used for fault sectionalization; defined in ITU-T M.125, with T1 ESF FDL codes, MPLS-TP RFC 6435, and H.248.85 variants.
Looped (TV series)
Looped is a Canadian 2D animated comedy series created by Todd Kauffman and Mark Thornton for Teletoon, produced by DHX Media and Neptoon Studios, about 12-year-old friends Luc and Theo stuck in a time loop where every day is Monday; one season of 26 episodes, premiered March 2, 2016.
Looper (film)
Looper (2012) is Rian Johnson's science-fiction action thriller starring Joseph Gordon-Levitt, Bruce Willis, and Emily Blunt, in which a 2044 hitman must kill his future self sent back from 2074; made independently for $37.5 million, it opened with $20.8 million.
LoopNet
LoopNet is an online marketplace for commercial real estate listings where brokers and owners advertise properties for sale or lease; founded in 1995, it was acquired by CoStar Group in 2012.
Loose (Nelly Furtado album)
Loose is Nelly Furtado's third studio album, released 2006 on Geffen/Mosley Music, produced by Timbaland; it debuted at No. 1 on the Billboard 200 and spawned the Hot 100 chart-toppers Promiscuous and Say It Right.
Loose anagen syndrome
Loose anagen syndrome (loose anagen hair syndrome, LAHS) is a rare benign self-limiting hair disorder in which anagen hairs are poorly anchored and pull out painlessly, mainly affecting young blond girls, with misshapen bulbs and ruffled cuticles on microscopy.
Loose body in joint
Loose body in joint (joint mouse, intra-articular loose body, ICD-10 M24.0, ICD-11 FA34.0): a free fragment of cartilage or bone in a joint, caused by osteochondritis dissecans, synovial chondromatosis, osteophytes, fractures, or meniscal damage; treated by arthroscopic removal.
Loose body in knee
Loose body in knee (ICD-11 FA33.3): a free-floating cartilage or bone fragment in the knee joint causing catching, locking, and pain. Causes include osteochondritis dissecans, osteoarthritis, trauma, and synovial chondromatosis; treated by arthroscopic removal plus management of the underlying disease.
Loose cannon (nautical)
A loose cannon is a cannon that broke free of its ropes on a wooden warship and rolled dangerously about the deck, origin of the modern idiom.
Loose Change
Loose Change, also titled Loose Change 9/11 in its HD edition, is Dylan Avery's 2005 documentary series claiming the September 11 attacks were an inside job; a viral Google Video hit watched by an estimated 100 million, it popularized the 9/11 Truth movement.
Loose connective tissue
Loose connective tissue, also called areolar tissue, is the most widespread connective tissue proper, with sparse collagen and elastic fibers, abundant ground substance, fibroblasts and immune cells, found around blood vessels, lamina propria, and organs.
Loose coupling
Loose coupling is a software design property in which components have little or no knowledge of each other's definitions, so changes to one component minimally affect others.
Loose lips sink ships
Loose lips sink ships, originally "Loose Lips Might Sink Ships", is a WWII-era American idiom from an OWI and War Advertising Council security campaign, coined via a 1942 Seagram poster by Essargee, warning that careless talk leaks information to enemies.
Loose smut
Loose smut, caused by Ustilago nuda in barley and U. tritici in wheat, is an internally seed-borne smut disease that replaces grain with wind-dispersed teliospores; controlled by certified seed and systemic fungicides.
Loose Women
Loose Women is ITV's long-running live weekday lunchtime panel show, first broadcast 6 September 1999, with rotating female panellists, celebrity interviews, campaigns, 12 awards, and a 30-week schedule after ITV cuts.
Loosemore–Hanby index
Loosemore–Hanby index (LH, deviation from proportionality): 1971 electoral measure by Loosemore and Hanby, half the summed absolute vote-seat share gaps, ranging 0 to 100; UK 2024 scored 30.1.
Loossemble
Loossemble (루셈블) is a five-member South Korean girl group formed from former LOONA members, which debuted in 2023 under CTDENM and went on hiatus in 2025.
Loot (TV series)
Loot is an Apple TV+ workplace comedy created by Alan Yang and Matt Hubbard, starring Maya Rudolph as Molly Novak, an $87-billion divorcee running the Wells Foundation, three seasons 2022-2025.
Loot box
Loot box: purchasable video game item delivering randomized rewards, also called crates, cases, or gacha. Gambling-like mechanic linked to problem gambling (r = .27); regulated via odds disclosure, age ratings, and bans in China, Belgium, Brazil, and elsewhere.
Lootcase
Lootcase is a 2020 Hindi black comedy crime film directed by Rajesh Krishnan, starring Kunal Kemmu, Rasika Dugal, Vijay Raaz, Ranvir Shorey, and Gajraj Rao; a Mumbai worker finds a suitcase with Rs 10 crore, premiered 31 July 2020 on Disney+ Hotstar.
Lootera
Lootera (लूटेरा) is Vikramaditya Motwane's 2013 Hindi period romance starring Ranveer Singh and Sonakshi Sinha, adapted from O. Henry's The Last Leaf, set in 1950s Bengal and Dalhousie amid zamindari abolition; a box office flop later reappraised and re-released in 2025.
Lootere (लुटेरे) (TV series)
Lootere (लुटेरे) is a 2024 Indian Hindi-language action-drama series directed by Jai Mehta, in which Somali pirates hijack a cargo ship whose Indian crew becomes hostage.
Looting
Looting, also called pillaging or war booty, is theft of goods during a disturbance such as war, riot, or natural disaster, when normal property enforcement breaks down.