15-letter words containing o, t, s
- cholecystokinin — a hormone secreted by duodenal cells that stimulates the contraction of the gall bladder and secretion of pancreatic enzymes
- cholecystostomy — a medical cut or opening into the gall bladder to enable a drainage tube to be put in place
- choledochostomy — formation of a temporary opening through the abdominal wall into the common bile duct, usually to remove stones.
- cholesterolemia — the presence of an abnormal amount of cholesterol in the blood.
- chondroskeleton — the cartilaginous part of the skeleton of vertebrates
- chorioallantois — the membrane of a fetus that is formed by the merging of the allantois and the chorion
- chorioretinitis — (medicine) An inflammation of the choroid and retina of the eye.
- christcross-row — the alphabet.
- christmas carol — a joyful hymn or religious song, celebrating the birth of Christ
- chromatic scale — a twelve-note scale including all the semitones of the octave
- chronobiologist — A person who is involved in chronobiology.
- cigarette smoke — the acrid smoke produced by cigarettes being smoked
- circularisation — Alternative spelling of circularization.
- circumlocutions — Plural form of circumlocution.
- circumlocutious — Circumlocutional.
- circumscription — the act of circumscribing or the state of being circumscribed
- circumvolutions — Plural form of circumvolution.
- city of bristol — a port and industrial city in SW England, mainly in Bristol unitary authority, on the River Avon seven miles from its mouth on the Bristol Channel: a major port, trading with America, in the 17th and 18th centuries; the modern port consists chiefly of docks at Avonmouth and Portishead; noted for the Clifton Suspension Bridge (designed by I. K. Brunel, 1834) over the Avon gorge; Bristol university (1909) and University of the West of England (1992). Pop: 420 556 (2001)
- city of glasgow — a council area in W central Scotland. Pop: 593 000 (2010 est). Area: 175 sq km (68 sq miles)
- classifications — Plural form of classification.
- claustrophobics — Plural form of claustrophobic.
- cleistogamously — in a cleistogamous manner
- cleptoparasites — Plural form of cleptoparasite.
- close the books — to balance accounts in order to prepare a statement or report
- closed fracture — simple fracture.
- closed interval — an interval on the real line including its end points, as [0, 1], the set of reals between and including 0 and 1
- closed position — (in ballet, modern dance, and jazz dance) any position in which the feet touch each other.
- closed sentence — a formula that contains no free occurrence of any variable
- closed traverse — a traverse ending at its point of origin.
- cluster college — a small residential college affiliated with a university but semi-independent and specializing in one field of study.
- coaling station — a port at which vessels can take on coal
- coast artillery — artillery used for defending coastal areas.
- coast mountains — a mountain range in Canada, on the Pacific coast of British Columbia. Highest peak: Mount Waddington, 4043 m (13 266 ft)
- cocktail shaker — a container in which cocktails are mixed
- coinstantaneity — the act of taking place at exactly the same moment
- coinstantaneous — taking place at exactly the same moment
- collected works — the works of a particular writer brought together into one volume or a set of volumes
- college station — a city in E central Texas.
- college student — a student at a university or college
- collenchymatous — Relating to collenchyma.
- colonizationist — a person who is in favour of colonization
- colorado desert — an arid region of SE California and NW Mexico, west of the Colorado River. Area: over 5000 sq km (2000 sq miles)
- colour contrast — the change in the appearance of a colour surrounded by another colour; for example, grey looks bluish if surrounded by yellow
- colour sergeant — a sergeant who carries the regimental, battalion, or national colours, as in a colour guard
- colouristically — in a colouristic manner
- combat fatigues — the uniform worn by soldiers when fighting
- combat neurosis — battle fatigue.
- combat trousers — Combat trousers are large, loose trousers with lots of pockets.
- combustibleness — The state or quality of being combustible.
- combustion tube — a tube of heat-resistant glass, silica, or ceramic, in which a substance can be reduced, as in a combustion furnace