15-letter words containing i, s, t
- chemosterilants — Plural form of chemosterilant.
- chemotaxonomist — a specialist in the field of chemotaxonomy
- chest infection — a respiratory infection mainly affecting the chest
- chesterfieldian — of or like Lord Chesterfield; suave; elegant; polished
- chestnut blight — a disease of chestnut trees, caused by a fungus (Endothia parasitica), that has virtually destroyed the American chestnut
- chi-square test — a test derived from the chi-square distribution to compare the goodness of fit of theoretical and observed frequency distributions or to compare nominal data derived from unmatched groups of subjects
- chicago heights — a city in NE Illinois, S of Chicago.
- chicken lobster — a young lobster weighing 1 pound (0.4 kg) or less.
- chicken nuggets — small pieces of chicken fried in batter
- chief assistant — the most important or top-ranking assistant to an official
- 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
- chief secretary — (in Britain) the second most senior Treasury post, after the Chancellor of the Exchequer
- child restraint — a device used to protect a child in a motor vehicle
- child-resistant — that resists being opened, tampered with, or damaged by a child; childproof: a child-resistant medicine cabinet.
- chile saltpeter — sodium nitrate, esp. as found naturally in Chile and Peru
- chile saltpetre — a naturally occurring form of sodium nitrate: a soluble white or colourless mineral occurring in arid regions, esp in Chile and Peru
- chinese crested — a small dog of a Chinese breed having long slender legs and a hairless body with hair only on the feet, head, and tail
- chinese gelatin — agar (def 1).
- chinese lantern — a collapsible lantern made of thin coloured paper
- chinese mustard — brown mustard.
- chintz curtains — curtains made of chintz
- cholangiectasis — Dilation of the bile ducts.
- cholecystokinin — a hormone secreted by duodenal cells that stimulates the contraction of the gall bladder and secretion of pancreatic enzymes
- cholesterolemia — the presence of an abnormal amount of cholesterol in the blood.
- 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.
- christadelphian — a member of a Christian millenarian sect founded in the US about 1848, holding that only the just will enter eternal life, that the wicked will be annihilated, and that the ignorant, the unconverted, and infants will not be raised from the dead
- christcross-row — the alphabet.
- christmas carol — a joyful hymn or religious song, celebrating the birth of Christ
- christmas party — a party organized before Christmas, usually by a firm or organization
- chromatic scale — a twelve-note scale including all the semitones of the octave
- chronobiologist — A person who is involved in chronobiology.
- chryse planitia — a plain on Mars, the landing site of the Viking I spacecraft.
- church register — parish register.
- cigarette smoke — the acrid smoke produced by cigarettes being smoked
- circularisation — Alternative spelling of circularization.
- circumambulates — Third-person singular simple present indicative form of circumambulate.
- circumlocutions — Plural form of circumlocution.
- circumlocutious — Circumlocutional.
- circumnavigates — Third-person singular simple present indicative form of circumnavigate.
- circumscription — the act of circumscribing or the state of being circumscribed
- circumscriptive — That circumscribes or outlines.
- circumspectness — the quality of being circumspect
- circumstantials — incidentals; details
- circumstantiate — to support by giving particulars
- circumvolutions — Plural form of circumvolution.
- citizen science — scientific research, data collection, etc., that involves the participation of nonscientists (often used attributively): Bird watchers report their bird observations to citizen-science projects.
- citrus red mite — a large mite, Panonychus citri, that is an important pest of citrus.
- citrus whitefly — See under whitefly.