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All articles starting with L

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Lecithoceridae

Lecithoceridae (Le Marchand, 1947), long-horned moths of Gelechioidea; over 1,430 species in five subfamilies including Lecithocerinae and Torodorinae, identified mainly by genitalia, distributed across Oriental, Ethiopian, Australian, and Palaearctic regions.

Leck mich im Arsch

Leck mich im Arsch, KV 231 (KV 382c), is a bawdy six-voice canon in B-flat major attributed to Mozart and dated Vienna 1782, of doubtful authenticity, first printed in 1804 under the sanitized title Laßt froh uns sein.

Leclanché (company)

Leclanché SA is a Swiss lithium-ion battery manufacturer founded in Yverdon-les-Bains in 1909, making cells, modules, and energy-storage systems for marine, rail, and grid uses.

Leclanché cell

The Leclanché cell is a non-rechargeable wet battery invented by French engineer Georges Leclanché in 1866, and the ancestor of the zinc–carbon dry cell used in telegraphy and electric bells.

Leclerc Evolution

The Leclerc Evolution is a main battle tank concept by KNDS, unveiled at Eurosatory 2024 as an upgraded Leclerc with a new turret and ASCALON 120 mm gun.

Leclerc tank

The Leclerc (AMX-56) is a French third-generation main battle tank named for General Philippe Leclerc, armed with a 120 mm gun and in French service since 1992.

Lecornu governments

Lecornu governments: three French governments under PM Sébastien Lecornu (2025–). First cabinet lasted 27 days, the Fifth Republic's shortest; Lecornu II passed the 2026 budget via Article 49.3; Lecornu III reshuffled February 2026.

Lecozotan

Lecozotan (WAY-161333, SRA-333) is a silent 5-HT1A receptor antagonist developed by Wyeth for mild-to-moderate Alzheimer's disease; it potentiated hippocampal glutamate and acetylcholine release, passed phase I trials, but development was suspended after phase 2.

Lecrae

Lecrae (Lecrae Devaughn Moore, born 1979) is a Houston-born American Christian hip-hop artist and Reach Records cofounder; four Grammy Awards, Anomaly (2014) first to top both Billboard 200 and Gospel Albums, tenth album Reconstruction (2025).

Lectin

Lectins are non-immune, non-enzymatic carbohydrate-binding proteins found in plants, animals, bacteria, and viruses; they bind glycans via CRDs with weak single-site affinity, gain avidity through multivalency, and serve in diagnostics, biosensors, and food safety.

Lectin-like domain

Lectin-like domain: a protein module with a lectin-like fold, especially the C-type lectin-like domain (CTLD), whose members often bind proteins, lipids, or other ligands rather than carbohydrate.

Lectio Divina

Lectio Divina, Latin for "divine reading," is a Catholic practice of prayerful Scripture reading in four movements: lectio, meditatio, oratio, and contemplatio, classically set out by Guigo II around 1188.

Lectra

Lectra is a French technology company headquartered in Paris, founded in 1973 in Bordeaux, that develops industrial software, CAD/CAM solutions, and automated cutting equipment for fashion, automotive, and furniture.

Lecture

Lecture, from Latin lectura ("a reading"), is instructor-led continuous exposition, the dominant university teaching method since medieval Europe; meta-analyses show active learning outperforms it by about half a standard deviation.

Lecturer

Lecturer is an academic title for a university teacher whose rank and duties vary by country: a permanent faculty rank in the UK and Commonwealth, a teaching-focused non-tenure post in the US, with Tudor-era origins.

Lectures on Russian Literature

Lectures on Russian Literature is a 1981 collection, edited by Fredson Bowers, of Vladimir Nabokov's lectures on Gogol, Tolstoy, Chekhov, Dostoevsky, Turgenev, and Gorky from his teaching at Wellesley and Cornell.

Lecy Goranson

Lecy Goranson (Alicia Linda Goranson), American actress born 1974 in Evanston, Illinois; original Becky Conner on Roseanne (1988–92, 1995–96), replaced by Sarah Chalke, and lead of The Conners 2018–2025.

Lecythidaceae

Lecythidaceae, the Brazil nut family, is a pantropical tree family in Ericales with about 25-30 genera and 280-300 species, centered in South American rain forests; includes Bertholletia excelsa and Couroupita.

LED circuit

An LED circuit, or LED driver, is an electrical circuit that drives light-emitting diodes at a controlled current, usually through a resistor or a constant-current regulator.

LED Day Club

LED Day Club is the daytime pool-party event brand of San Diego EDM promoter LED Presents, staging 21+ afternoon shows in San Diego and Palm Springs.

LED display

An LED display, or LED video display, is a screen that uses light-emitting diodes to form the picture itself, first commercialized in 1968 by Monsanto and Hewlett-Packard.

LED lamp

An LED lamp, also known as an LED bulb, is a light fixture or replacement bulb that uses light-emitting diodes, up to 90% more efficient than incandescent bulbs.

Led Zeppelin

Led Zeppelin: English rock band (1968-1980) of Page, Plant, Jones, and Bonham; blues-based hard rock pioneers, nine studio albums, 200-300 million records sold, Rock Hall 1995.

Led Zeppelin (album)

Led Zeppelin (1969) is the English rock band's debut album, recorded in about 30 hours at Olympic Studios, produced by Jimmy Page, engineered by Glyn Johns, released January 12, 1969 on Atlantic, peaking at US number 10 and UK number 6 despite a panning by Rolling Stone.

Led Zeppelin discography

Led Zeppelin discography: the English rock band's catalog of nine studio albums (1969–1982), The Song Remains the Same soundtrack, live releases, and Jimmy Page's 1990 and 2014–2015 remaster campaigns.

Led Zeppelin II

Led Zeppelin II is Led Zeppelin's second studio album, released October 22, 1969 on Atlantic and produced by Jimmy Page. Recorded across studios in London, Los Angeles, Vancouver, and New York between tours, it hit No 1 on the US Billboard 200 and sold over 10 million US copies.

Led Zeppelin III

Led Zeppelin III, third 1970 album by Led Zeppelin (Atlantic), folk-acoustic shift after two heavy blues records. Released October 5 (US) and 23 (UK) 1970, hit US #1, later reappraised; 2014 Page remaster.

Led Zeppelin IV

Led Zeppelin IV, also called Untitled, Four Symbols, Runes, or Zoso, is Led Zeppelin's untitled fourth album, released November 8, 1971 with four member symbols as its title. Recorded at Headley Grange, it includes Stairway to Heaven and sold over 37 million copies.

LED-backlit LCD

An LED-backlit LCD, often marketed as an LED TV, is a liquid crystal display whose white backlight comes from light-emitting diodes rather than the cold-cathode fluorescent lamps of earlier LCDs.

Leda (mythology)

Leda (Λήδα), queen of Sparta and wife of Tyndareus, was seduced by Zeus as a swan and bore or raised Helen, Clytemnestra, Castor, and Polydeuces; ancient sources give conflicting egg and Nemesis versions.