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Celibacy
Celibacy (Latin caelibatus) is the state of being unmarried and abstaining from sexual relations, practiced in Christianity, Buddhism, Hinduism, and Jainism; Latin-rite Catholic priests must be celibate since the 11th-12th century, while Eastern churches allow married priests.
Cell Medica
Cell Medica is a London-based cellular immunotherapy biotechnology company co-founded by Gregg Sando and Imperial Innovations, developing T-cell and CAR-NKT therapies for cancer and viral infections.
Cell phone murders
The cell phone murders were a quadruple homicide committed in Huntsville, Alabama, in 1996, sparked by the alleged theft of a cellular telephone from one of the victims.
Cell systems
Cell Systems (Cell Syst) is a monthly Cell Press peer-reviewed journal of systems biology, launched July 2015, ISSN 2405-4712/2405-4720, MEDLINE and SCIE indexed, 2025 impact factor 7.5, hybrid open access.
Cell transplantation (institution)
Cell Transplantation (institution) refers to the peer-reviewed, open access journal Cell Transplantation, founded 1992 by Pergamon/Cognizant Communication, published bimonthly by SAGE since 2017, ISSN 0963-6897, 2025 impact factor 3.2.
Cellanome, Inc.
Cellanome, Inc. is a Delaware-incorporated biotechnology company founded in 2020 and based in Foster City, California, whose R3200 platform combines time-lapse live-cell imaging with single-cell transcriptomics.
Cellares
Cellares is a San Francisco company founded by Fabian Gerlinghaus and Omar Kurdi that manufactures cell therapies on its automated Cell Shuttle platform, calling itself the first IDMO.
CellChina (西比曼)
CellChina (西比曼), also known as Cellular Biomedicine Group (CBMG), is a Shanghai-based clinical-stage company developing CAR-T, TCR-T, TIL, and stem-cell therapies for cancer and degenerative disease.
Celler–Kefauver Act
The Celler–Kefauver Act, passed December 29, 1950, amended Section 7 of the Clayton Act to prohibit anticompetitive stock and asset acquisitions, including vertical and conglomerate mergers.
CELLINK
CELLINK is a Swedish 3D bioprinting company founded in Gothenburg in 2015 by Erik Gatenholm and Héctor Martínez, best known for launching the first universal bioink in 2016 and becoming the core of BICO.
Cellnex Telecom
Cellnex Telecom is a Barcelona-based neutral-host company, Europe's largest independent tower operator, owning and leasing over 113,000 sites to mobile operators across 10 European countries.
Celltrion
Celltrion (셀트리온) is a South Korean biopharmaceutical company founded by Seo Jung-jin that makes biosimilars, including Remsima, approved in Europe in 2013 as the world's first monoclonal-antibody biosimilar.
Cellular Biomedicine Group
Cellular Biomedicine Group was a clinical-stage biopharmaceutical company developing CAR-T immune-cell therapies for cancer, founded in 2009, Nasdaq-listed until its 2021 privatization, and renamed AbelZeta Pharma in 2023.
Cellular Jail
Cellular Jail (Kala Pani), a 1896–1906 British panopticon prison in Sri Vijaya Puram, Andaman Islands, held Indian political prisoners in solitary cells; now a National Memorial on UNESCO's Tentative List, not a World Heritage Site.
Cellular Longevity, Inc.
Cellular Longevity, Inc., doing business as Loyal, is a San Francisco biotechnology company incorporated in 2019 and led by chief executive Celine-Lea Halioua-Haubold that develops veterinary drugs.
Celonis
Celonis is a German enterprise software company, founded in 2011 as a spin-off of the Technical University of Munich, that sells process mining and process intelligence software.
Celsius Holdings
Celsius Holdings is an American energy drink company based in Boca Raton, Florida, whose CELSIUS, Alani Nu, and Rockstar brands hold about 20% of the US energy drink market.
Celsus (Κέλσος)
Celsus (Κέλσος), Greek Middle Platonist philosopher of the late second century CE, author of Alēthēs Logos (The True Doctrine), the major pre-Porphyry pagan polemic against Christianity, known almost entirely through Origen's Contra Celsum.
Celtiberians
Celtiberians (celtíberos): peoples of the eastern Meseta and middle Ebro valley, Spain, blending Celtic and Iberian culture, 8th–1st century BC; Celtic language in a 26-sign Iberian script; known for Numantia and the Celtiberian Wars.
Celtic Britons
Celtic Britons: the Brittonic-speaking Iron Age and early medieval inhabitants of Great Britain, also called Pretani. Known for tribal groups like the Iceni and Brigantes, matrilocal Iron Age society, and a contested 'Celtic' label applied only from the 18th century.
Celtic calendar
Celtic calendar (Coligny calendar, Gaulish calendar): the lunisolar calendar of Gaul recorded on bronze tablets found at Coligny (1897) and Villards d'Heria, using 62 lunar months over five years with intercalary months, MAT/ANM month marks and disputed day notations.
Celtic Christianity
Celtic Christianity, also called the Celtic Church, is a modern term for the Christianity of Ireland, western Britain, and Brittany in the early Middle Ages.
Celtic cross
The Celtic cross, also known as the Irish cross, is a Christian cross whose arms are enclosed by a ring, carved in stone in Ireland from around the ninth century.
Celtic deities
Celtic deities are the gods of the pre-Christian Celtic-speaking peoples (Gaulish, Brythonic, Irish), attested mainly through Roman-era inscriptions, Caesar's Gallic War, and later medieval Irish and Welsh texts, with no single pantheon and largely local worship.
Celtic languages
Celtic languages, a branch of Indo-European, split into Goidelic (Irish, Scottish Gaelic, Manx) and Brythonic (Welsh, Breton, Cornish); extinct Continental Celtic includes Gaulish, Celtiberian, Lepontic, and Galatian.
Celtic League
Celtic League: pan-Celtic political and cultural association founded in 1961 at Rhosllannerchrugog, Wales, campaigning for the political, linguistic and cultural rights of Ireland, Scotland, Wales, Brittany, Cornwall and the Isle of Man; distinct from the non-political Celtic Congress; publishes Carn and holds UN NGO status.
Celtic mythology
Celtic mythology is the family of mythological traditions of Celtic-speaking peoples: the Irish Tuatha Dé Danann, the Welsh Mabinogi, and Gaulish deities known from Roman inscriptions, organized in regional cycles.
Celtic nations
Celtic nations: Ireland, Scotland, Wales, Brittany, Cornwall, and the Isle of Man, territories defined by living Celtic languages. Covers the language criterion, Pan-Celticism, the Galicia question, and modern Celtic nationalism and devolution.
Celtic Otherworld
Celtic Otherworld, also called Tír na nÓg, Mag Mell, or Welsh Annwn, is the modern label for supernatural realms in Irish and Welsh myth: lands of eternal youth reached through mounds, water, or western islands, largely recorded by Christian medieval scribes.
Celtic Tiger
The Celtic Tiger (Tíogar Ceilteach) was Ireland's period of exceptionally rapid economic growth from the late 1980s to 2007, ending in a property and banking collapse.