15-letter words containing t, h, o, s
- brachystomatous — having a short proboscis, as certain insects.
- branchiostegous — branchiostegal.
- breach of trust — a violation of duty by a trustee or any other person in a fiduciary position
- bristol channel — an inlet of the Atlantic, between S Wales and SW England, merging into the Severn estuary. Length: about 137 km (85 miles)
- bristol fashion — clean and neat, with newly painted and scrubbed surfaces, brass polished, etc
- british council — an organization founded (1934) to extend the influence of British culture and education throughout the world
- british telecom — the popular name for British Telecommunications Group plc, the dominant fixed line telecommunications and broadband internet provider in the United Kingdom
- bronchial tubes — the bronchi or their smaller divisions
- brother-in-arms — a fellow soldier or comrade in a shared struggle
- bullock's heart — the large, edible fruit of a tropical American tree, Annona reticulata.
- bullock's-heart — the large, edible fruit of a tropical American tree, Annona reticulata.
- butcher's-broom — a liliaceous evergreen shrub, Ruscus aculeatus, that has stiff prickle-tipped flattened green stems, which resemble and function as true leaves. The plant was formerly used for making brooms
- button mushroom — Button mushrooms are small mushrooms used in cooking.
- catastrophising — Present participle of catastrophise.
- catastrophizing — Present participle of catastrophize.
- catheterisation — Alternative spelling of catheterization.
- catholic school — a school that includes instruction in Roman Catholic faith in its curriculum, with teachers who are often nuns or monks
- caustic alcohol — sodium ethylate.
- cephalothoraxes — Plural form of cephalothorax.
- chamois leather — soft cleaning cloth
- charles doughty — Charles Montagu [mon-tuh-gyoo] /ˈmɒn təˌgyu/ (Show IPA), 1843–1926, English traveler and writer.
- charleston peak — a mountain in SE Nevada: highest peak in the Spring Mountains. 11,919 feet (3635 meters).
- charlotte russe — a cold dessert made in a mould with sponge fingers enclosing a mixture of whipped cream, custard, etc
- charlottesville — city in central Va.: pop. 45,000
- chelsea tractor — a four-by-four
- chemoautotrophs — Plural form of chemoautotroph.
- chemopsychiatry — the study and application of chemical substances in psychiatry
- chemosterilants — Plural form of chemosterilant.
- chemotaxonomist — a specialist in the field of chemotaxonomy
- chest infection — a respiratory infection mainly affecting the chest
- chest protector — a protective pad worn over the chest by a catcher or umpire to shield the body from foul tips.
- chestnut bottle — an American glass bottle or flask of the 19th century, having slightly flattened sides.
- chicago heights — a city in NE Illinois, S of Chicago.
- chicken lobster — a young lobster weighing 1 pound (0.4 kg) or less.
- chief constable — A Chief Constable is the officer who is in charge of the police force in a particular county or area in Britain.
- chief inspector — an officer of high rank in British police forces
- cholangiectasis — Dilation of the bile ducts.
- cholecystectomy — surgical removal of the gall bladder
- 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.
- claustrophobics — Plural form of claustrophobic.