Search by letter: C
Search by letter
Search by letter: C
- Cybill Shepherd
- Cyborg: hybrid organisms combining biological and artificial systems Cyborg
- Cyborg (DC Comics)
- Cyborg (1989 film) Cyborg (movie)
- Cycad: Ancient seed plants — biology, history, and conservation Cycad
- Cycas — ancient gymnosperms: description, distribution, uses and conservation Cycas
- Cyclades: The Central Aegean Island Group of Greece Cyclades
- Cyclamen: tuberous Mediterranean flowering plants Cyclamen
- Cyclamen persicum (Persian cyclamen): description, habitat and cultivation Cyclamen persicum
- Cycle: Repeating Sequences and Closed Systems Cycle
- Cycle of Abuse
- Cyclic compound (molecular ring structures) Cyclic compound
- Cyclic redundancy check (CRC): polynomial checksum for error detection Cyclic redundancy check
- Cyclic vomiting syndrome
- Cycliophora: tiny commensal animals and their unique phylum Cycliophora
- Cycloaddition: pericyclic ring-forming reactions in organic chemistry Cycloaddition
- Cycloalkane: structure, properties, and common examples Cycloalkane
- Cyclohexane
- Cyclohexene: Structure, Properties, and Uses Cyclohexene
- Cyclone (meteorology): structure, types, formation and impacts Cyclone
- Cyclone Amphan
- Cyclone Dirk — December 2013 European windstorm Cyclone Dirk
- Cyclone Kyarr (October 2019) Cyclone Kyarr
- Cyclone Nargis (2008): Myanmar’s catastrophic storm and humanitarian impact Cyclone Nargis
- Cyclone Nisarga (June 2020) — formation, impact, and response Cyclone Nisarga
- Cyclone Pam: 2015 South Pacific Category 5 tropical cyclone Cyclone Pam
- Cyclone Sidr: 2007 Bay of Bengal Storm and Its Impact on Bangladesh Cyclone Sidr
- Cyclone Tracy (1974): the storm that devastated Darwin Cyclone Tracy
- Cyclone Yasi (2011) — Major Queensland tropical cyclone Cyclone Yasi
- Cycloneuralia
- Cyclooctane — properties, structure, and applications Cyclooctane
- Cyclopropane: structure, properties, history and uses Cyclopropane
- Cyclops: one‑eyed giants of ancient Greek mythology Cyclops
- Cycloramphinae: a subfamily of Neotropical frogs Cycloramphinae
- Cyclospora cayetanensis: biology, transmission, clinical features and prevention Cyclospora cayetanensis
- Cyclostomes: the jawless fishes (lampreys and hagfish) Cyclostome
- Cyclothymia: a clinical overview of mood pattern, diagnosis, and management Cyclothymia
- Cyclotron: principles, history, design, and applications Cyclotron
- Cyd Charisse: American ballet dancer and Hollywood musical star Cyd Charisse
- Cygnus — the Swan: a northern constellation with the Northern Cross Cygnus (constellation)
- Cygnus OB2: a massive OB association in the constellation Cygnus Cygnus OB2
- Cygnus X-1: a well-known stellar-mass black hole and X‑ray binary Cygnus X-1
- Cylinder (geometry) Cylinder
- Cylinder (engine)
- Cylinder (firearms): design, function, history, and variations Cylinder (firearms)
- Cylinder, Iowa: Overview of a Small Midwestern City Cylinder, Iowa
- Cyllene (Jupiter XLVIII) — small retrograde moon of Jupiter Cyllene (moon)
- Cylon (fictional robotic species from Battlestar Galactica) Cylon
- Cymbal: construction, types, playing techniques and musical roles Cymbal
- Cymbeline: Shakespeare’s late romance of kings, identity and reconciliation Cymbeline
- Cymbidium (boat orchids) — description, cultivation and uses Cymbidium
- Cymbopogon (lemongrass): overview, characteristics, uses and notable species Cymbopogon
- Cymbospondylus — a large, primitive Triassic ichthyosaur Cymbospondylus
- Cymmer, Rhondda Valley, Wales: village in Rhondda Cynon Taf Cymmer, Rhondda Cynon Taf
- Cymothoa exigua — the tongue‑eating louse Cymothoa exigua
- Cynanchum laeve (Honeyvine Milkweed) — description, habitat, and notes Cynanchum laeve
- Cyndi Lauper: Singer, Songwriter, Actress and Human Rights Advocate Cyndi Lauper
- Cynegils of Wessex
- Cynewulf of Wessex (d. 786) Cynewulf of Wessex
- Cynics (ancient Greek philosophical school) Cynic
- Cynicism: Ancient Greek School and Modern Attitude Cynicism
- Cynodonts: mammal-like therapsids and ancestors of mammals Cynodont
- Cynognathus — a wolf-sized cynodont of the Triassic Cynognathus
- Cynric of Wessex
- Cynthia Bendlin — Paraguayan human rights activist against human trafficking Cynthia Bendlin
- Cynthia Cockburn: feminist scholar, peace activist, and sociologist Cynthia Cockburn
- Cynthia Kadohata
- Cynthia Lennon — first wife of John Lennon and mother of Julian Lennon Cynthia Lennon
- Cynthia Lynn (Latvian–American actress) Cynthia Lynn
- Cynthia McKinney: American politician, former U.S. Representative and Green Party candidate Cynthia McKinney
- Cynthia Nixon — American actress, activist, and political figure Cynthia Nixon
- Cynthiana, Kentucky
- Cyperaceae (Sedges): overview, identification, diversity, ecology and uses Cyperaceae
- Cyperus papyrus — the papyrus sedge and its historical uses Cyperus papyrus
- Cipher (cryptography): methods, history, and uses Cypher
- Cypress — trees of the Cupressaceae family Cypress
- Cypress Gardens — historic botanical gardens and theme park near Winter Haven Cypress Gardens
- Cypress Hill — American hip hop group from Los Angeles Cypress Hill
- Cypress, California — suburban city in northern Orange County Cypress, California
- Cypress, Illinois
- Cypress, Texas — Unincorporated suburb northwest of Houston Cypress, Texas
- Cyprian: 3rd-century Bishop, Writer, and Christian Martyr Cyprian
- Cyprinidae: the carp and minnow family Cyprinidae
- Cypriniformes: carps, minnows and their freshwater relatives Cypriniformes
- Cypripedioideae (lady's slipper orchids) Cypripedioideae
- Cypripedium reginae (Showy Lady's-slipper) Cypripedium reginae
- Cyprus
- Cyprus at the Olympics
- Cyprus cat — the native Cypriot landrace Cyprus cat
- Cyprus cedar (Cedrus brevifolia): description, habitat, and significance Cyprus cedar
- Cyprus Cup (women's international football tournament) Cyprus Cup
- Cyprus DLR station (London) Cyprus DLR station
- Cyprus Mail — English-language daily newspaper in Cyprus Cyprus Mail
- Cyprus national football team
- Cyril and Methodius: Byzantine missionaries and founders of Slavic literary tradition Cyril and Methodius
- Cyril Bourlon de Rouvre: French businessman and public figure Cyril Bourlon de Rouvre
- Cyril Lawrence
- Cyril Leonoff
- Cyril Ramaphosa
- Cyril Wecht — American forensic pathologist and public commentator Cyril Wecht
- Cyril, Oklahoma
- Cyrille Regis — English international footballer and pioneering striker Cyrille Regis
- Cyrillic numerals
- Cyrillic script
- Cyrus Avery — Father of U.S. Route 66 Cyrus Avery
- Cyrus Chothia: structural biologist and pioneer in protein evolution Cyrus Chothia
- Cyrus K. Holliday (1826–1900) Cyrus K. Holliday
- Cyrus McCormick: Inventor of the Mechanical Reaper and Agricultural Industrialist Cyrus McCormick
- Cyrus the Great (c. 600–530 BC) — founder of the Achaemenid Empire Cyrus the Great
- Cyrus Vance
- Cyrus West Field — organizer of the first transatlantic telegraph cable Cyrus West Field
- Cys-la-Commune, Aisne (northern France) Cys-la-Commune
- Cyst: definition, structure, common types, causes, diagnosis and treatment Cyst
- Cysteine — sulfur-containing α‑amino acid Cysteine
- Cystic fibrosis: causes, symptoms, diagnosis, and management Cystic fibrosis
- Cystitis: causes, symptoms, diagnosis, treatment and prevention Cystitis
- Cytochrome: hemoproteins that mediate biological electron transfer Cytochrome
- Cytogenetics: study of chromosomes, karyotypes, and cell division Cytogenetics
- Cytokine
- Cytokine storm (hypercytokinemia) Cytokine storm
- Cytokinesis: separation of the cell cytoplasm after nuclear division Cytokinesis
- Cytokinins: plant hormones that regulate growth and development Cytokinin
- Cytology: the study of cells, their structure, function and clinical importance Cytology
- Cytomegalovirus (CMV) Cytomegalovirus
- Cytoplasm: structure, composition and cellular roles Cytoplasm
- Cytoplasmic streaming (protoplasmic streaming) Cytoplasmic streaming
- Cytosine
- Cytoskeleton: cellular framework of structure, movement and transport Cytoskeleton
- Cytosol (intracellular fluid): composition, functions, and significance Cytosol
- Cytotoxic T cell (CD8+ T lymphocyte) Cytotoxic T cell
- Cyworld — South Korean social networking service Cyworld
- Czech: people, language, and national identity Czech
- Czech Airlines (ČSA): history, operations, and significance Czech Airlines
- Czech Canadians
- Czech Extraliga (Extraliga ledního hokeje) Czech Extraliga
- Czech language
- Czech Republic (Czechia): overview, geography, history and culture Czech Republic
- Czech Republic delegation at the 2018 Winter Paralympics Czech Republic at the 2018 Winter Paralympics
- Czech Republic at the Olympics
- Czech Republic men's national volleyball team
- Czech Republic national football team
- Czech Wikipedia (Česká Wikipedie) Czech Wikipedia
- Czechoslovak First Ice Hockey League
- Czechoslovak government-in-exile
- Czechoslovak koruna (CSK) Czechoslovak koruna
- Czechoslovakia: history, structure and legacy (1918–1992) Czechoslovakia
- Czechoslovakia at the Olympics: participation, athletes, and legacy Czechoslovakia at the Olympics
- Czechoslovakia national football team
- Czechs: people, language, history and cultural identity Czechs
- Częstochowa — Polish city, pilgrimage center and regional hub Czestochowa
- Czterdziestolatek (Being Forty): Polish television comedy and its legacy Czterdziestolatek