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Lewis M. Branscomb
Lewis McAdory Branscomb (1926–2023) was an American physicist who directed the National Bureau of Standards, served as IBM's vice president and chief scientist, and taught at Harvard.
Lewisite
Lewisite is an organic arsenical vesicant chemical warfare agent developed in the United States late in World War I but never used in warfare, causing severe blistering.
Lewiston–Queenston Bridge
The Lewiston–Queenston Bridge is a steel deck-arch road bridge over the Niagara River between Lewiston, New York and Queenston, Ontario, opened in 1962 as the northernmost crossing.
Lex (software)
Lex is a lexical analyzer generator written by M. E. Lesk and E. Schmidt at Bell Laboratories in 1975 for UNIX, paired with the yacc parser generator.
Lex Fridman
Lex Fridman, also known as Alexei "Lex" Fridman, is a Russian-American artificial-intelligence researcher at MIT who studies human-AI interaction in driving and hosts the Lex Fridman Podcast, launched in 2018.
Lexical analysis
Lexical analysis, also called lexing or tokenization, is the compiler phase that turns source characters into a stream of tokens using a lexer built from regular expressions and finite automata.
Lexington-class aircraft carrier
The Lexington class was a pair of US Navy aircraft carriers, USS Lexington and USS Saratoga, converted from battlecruisers under the Washington Naval Treaty and commissioned in 1927.
Lexis+ AI
Lexis+ AI is a generative artificial intelligence platform for legal work launched by LexisNexis in 2023, providing conversational search, drafting, and summarization with linked legal citations.
LexisNexis
LexisNexis is a data and analytics company providing legal, regulatory, and business information, and a division of the publisher RELX. Its Lexis service launched in 1973.
Lexroom
Lexroom is an Italian legal AI company founded in Milan in 2023 by Paolo Fois, Martina Domenicali, and Andrea Lonza, which raised over $73 million and made its first acquisitions in 2026.
Lexus
Lexus, formally Lexus International, is the luxury vehicle division of the Japanese automaker Toyota, launched in 1989 with the LS 400 and now selling about 880,000 vehicles a year.
Lexus CT
The Lexus CT, sold as the CT 200h, is a five-door premium compact hatchback Lexus built from 2010 to 2022, offered exclusively with a full hybrid powertrain.
Lexus ES
The Lexus ES is a mid-size luxury sedan produced by Lexus, Toyota's luxury division, since 1989; originally an entry-level Camry-based sedan, its eighth generation added battery-electric powertrains.
Lexus GS
The Lexus GS, sold in Japan as the Toyota Aristo, is a rear-wheel-drive luxury sport sedan built by Lexus across four generations from 1991 to 2020, competing with the BMW 5 Series and Mercedes-Benz E-Class.
Lexus GX
The Lexus GX is a mid-size luxury SUV built by Toyota's Lexus division, produced in three generations since 2002: the GX 470, GX 460, and GX 550.
Lexus IS
The Lexus IS, sold in Japan as the Toyota Altezza, is a compact executive sports sedan built by Lexus since 1999 across three generations, with about 1.09 million sold.
Lexus IS (XE20)
The Lexus IS (XE20) is the second generation of Lexus's compact rear-wheel-drive sports sedan, revealed in 2005 and sold until 2013, competing with the BMW 3 Series.
Lexus LC
The Lexus LC is a luxury grand touring coupe produced by Toyota's Lexus division from 2017 to 2026, offered with a V8 or hybrid powertrain.
Lexus LFA
The Lexus LFA is a two-seat supercar from Toyota's luxury division Lexus, built in a hand-assembled run of 500 cars between 2010 and 2012, powered by a 4.8-liter V10.
Lexus LS
The Lexus LS, sold as the Toyota Celsior in Japan, is a full-size luxury sedan that served as the flagship of Lexus from 1989 until 2026.
Lexus LX
The Lexus LX is Lexus's flagship full-size, body-on-frame luxury SUV, sold in North America since 1996 and built as the premium interpretation of the Toyota Land Cruiser, with off-road hardware and a luxury cabin.
Lexus NX
The Lexus NX is a compact luxury crossover SUV made by Toyota's Lexus brand since 2014, its first compact crossover and one of its best sellers.
Lexus RC (レクサス・RC)
The Lexus RC (レクサス・RC) is a two-door luxury sport coupe produced by Lexus from 2014 to 2025, spawning the high-performance RC F and RC F GT3 race car.
Lexus RX
The Lexus RX is a midsize luxury crossover SUV built by Lexus since 1997, which created the luxury crossover segment and remains Lexus's best-selling model.
Lexus SC
The Lexus SC is a personal luxury coupe from Toyota's Lexus division, sold as the SC 300 and SC 400 (1991–2001) and SC 430 convertible (2001–2010).
Lexus TZ
The Lexus TZ is Lexus's first three-row, all-electric luxury SUV, a 2027 model revealed on May 7, 2026, offering up to 315 miles of range starting at $64,050.
Leybold
Leybold is a German manufacturer of vacuum pumps and leak-detection equipment, founded in Cologne in 1850 and owned since 2016 by the Swedish group Atlas Copco.
Leyden jar
The Leyden jar, also spelled Leiden jar and first made by Ewald Georg von Kleist in 1745, is a glass jar that stores static electricity, the first electrical capacitor.
Leyland Motors
Leyland Motors Limited was a British truck and bus manufacturer based in Leyland, Lancashire, which became the UK's largest heavy truck producer by the late 1960s.
Leyland P76
The Leyland P76 is a large family sedan designed and built in Australia by Leyland Australia, sold from 1973 to 1974 and winning Wheels magazine's 1973 Car of the Year award.