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Cleveland Clinic Abu Dhabi
Cleveland Clinic Abu Dhabi is a 394-bed multispecialty hospital on Al Maryah Island in Abu Dhabi, a partnership between Mubadala and the US Cleveland Clinic, opened in 2015.
Cleveland crime family
The Cleveland crime family, also called the Porrello crime family or Cleveland mafia, is an American Mafia organization based in Cleveland, Ohio, arising from the Mayfield Road Mob.
Cleveland Elementary School shooting (San Diego)
Cleveland Elementary School shooting (San Diego): January 29, 1979 attack in which 16-year-old Brenda Spencer fired a .22 rifle from her home across the street, killing principal Burton Wragg and custodian Mike Suchar, inspiring "I Don't Like Mondays."
Cleveland Street scandal
Cleveland Street scandal, or West End scandal: 1889 London male brothel at 19 Cleveland Street where GPO telegraph boys served aristocratic clients; named peers, cover-up accusations, Labouchere Amendment context.
Cleveland Torso Murderer
The Cleveland Torso Murderer, or Mad Butcher of Kingsbury Run, was an unidentified serial killer who decapitated and dismembered 12–13 people in Cleveland, Ohio, 1934–1938. Only Edward Andrassy, Flo Polillo, and Rose Wallace were identified; Eliot Ness led the unsolved investigation.
Cleverman
Cleverman is a 2016-2017 Australian/New Zealand sci-fi drama series created by Ryan Griffen for ABC and SundanceTV, blending superhero fiction with Aboriginal Dreaming mythology, the Hairypeople, and Gumbaynggirr and Bundjalung languages; the title also names the Aboriginal clever man healer figure.
Cliché
Cliché (French cliché, from clicher "to click"): originally a 19th-century printing plate cast from movable type; figuratively since 1888 an overused, trite phrase, and in modern French simply a photograph.
Click consonant
Click consonants are speech sounds made with velaric ingressive airflow, classified as non-pulmonic consonants. Five basic types (ʘ ǀ ǁ ǃ ǂ); found mainly in Khoisan and borrowed into Bantu languages; Taa has 115.
Click fraud
Click fraud, also called click spam, is the deceptive clicking of pay-per-click ads, either to inflate a publisher's ad revenue or to exhaust a competitor's advertising budget.
Click-through rate
Click-through rate (CTR), also called click rate, is the percentage of impressions that produce clicks on an ad, search result, or email link, used in ad auctions and benchmarking.
Clickbait
Clickbait: exaggerated or misleading headlines designed to attract clicks, dating to 1999; pioneered by Upworthy and BuzzFeed, curbed by Facebook and Google, with mixed measured effects on engagement.
Client kingdoms in ancient Rome
Client kingdoms in ancient Rome: dependent monarchies (rex socius et amicus) under Roman suzerainty from the 2nd century BCE, reorganized by Augustus as the emperor's personal clients, largely absorbed by the end of the 1st century CE.
Client state
A client state, also called a client kingdom, is a country that is officially sovereign but defers to a stronger patron in politics and foreign affairs.
Clientele effect
The clientele effect is the tendency of investors to sort into firms whose dividend policies match their tax situations, a hypothesis proposed by Miller and Modigliani in 1961.
Cliff Asness
Cliff Asness, also known as Clifford Asness, is an American investor who co-founded the quantitative hedge fund AQR Capital Management in 1998 and serves as its chief investment officer.
Cliff Bentz
Cliff Bentz, born 1952, is an American Republican who has represented Oregon's 2nd congressional district in the U.S. House since 2021, after serving in the Oregon legislature.
Cliff Holekamp
Cliff Holekamp, also known as Clifford K. Holekamp, is an American venture capitalist who co-founded Cultivation Capital in St. Louis in 2012 after founding and selling the Foot Healers chain.
Cliff Johnson (Mississippi politician)
Cliff Johnson is an American civil rights attorney and director of the MacArthur Justice Center, the Democratic nominee for the U.S. House in Mississippi's 1st District in 2026.
Cliff Obrecht
Cliff Obrecht is an Australian technology executive who co-founded the design software company Canva in 2012 and serves as its chief operating officer, alongside his wife, CEO Melanie Perkins.
Cliffe Knechtle
Cliffe Knechtle (born 1954) is an American evangelical pastor and campus evangelist who has held open-air question-and-answer dialogues on university campuses for over 45 years.
Clifford Chance
Clifford Chance LLP, a Magic Circle multinational law firm formed by the 1987 Clifford Turner–Coward Chance merger, reports FY2026 record revenue of £2.6 billion and 124 Band 1 Chambers Global 2025 rankings.
Clifford Dupont
Clifford Walter Dupont (1905–1978), British-born Rhodesian politician, Rhodesian Front founder and Ian Smith's deputy; Officer Administering the Government 1965–1970 and first President of unrecognised Rhodesia 1970–1975, distinct from the du Pont industrial family.
Clifford Geertz
Clifford Geertz, full name Clifford James Geertz, was an American cultural anthropologist who founded interpretive anthropology and popularized the method of thick description in The Interpretation of Cultures (1973).
Clifford Illig
Clifford Illig is an American healthcare information technology entrepreneur who co-founded Cerner in Kansas City in 1979, serving as COO, president, and vice chairman until retiring in 2019.
Clifford Irving
Clifford Michael Irving (1930–2017), American novelist and author of Fake! about forger Elmyr de Hory, perpetrated the 1971 Howard Hughes autobiography hoax, selling McGraw-Hill a $750,000 forged manuscript exposed by Hughes himself, and served 17 months in prison.
Clifford Olson
Clifford Robert Olson Jr., known as the Beast of British Columbia, was a Canadian serial killer who murdered 11 children in British Columbia in 1980 and 1981.
Clifford Reid
Clifford Reid, known as Cliff Reid, is a life-science entrepreneur who co-founded Complete Genomics in 2006, led its NASDAQ IPO, and sold the company to BGI in 2012.
Clifton L. Corker
Clifton Leland Corker is an American jurist serving as a United States district judge for the Eastern District of Tennessee since 2019, appointed by President Donald Trump.
Clikalia
Clikalia is a Madrid-based proptech company founded in 2018 by Alister Moreno and Pablo Fernandez that operates as an iBuyer, buying homes in Spain, Portugal, France, and Mexico.
Climb Bio
Climb Bio, formerly Eliem Therapeutics, is a Massachusetts-based clinical-stage biotechnology company developing monoclonal antibodies for immune-mediated diseases; renamed in 2024, it trades on Nasdaq as CLYM.