17-letter words containing i, s, t, a
- calcium phosphate — the insoluble nonacid calcium salt of orthophosphoric acid (phosphoric(V) acid): it occurs in bones and is the main constituent of bone ash. Formula: Ca3(PO4)2
- campus university — a university in which the buildings, often including shops and cafés, are all on one site
- cancer specialist — a medical professional who specializes in the treatment or study of malignant growths or tumours
- candidate species — any plant or animal species that is a candidate for designation as an endangered species or threatened species.
- capital gains tax — a tax on the profit made from the sale of an asset
- capital structure — the way that a company finances its assets through a combination of equity, debt etc
- capital-intensive — Capital-intensive industries and businesses need the investment of large sums of money. Compare labour-intensive.
- captain's biscuit — a type of hard fancy biscuit
- carbon offsetting — a program in which a company, country, etc., reduces or offsets its carbon emissions through the funding of activities and projects that improve the environment: Carbon offsetting does not always have a quantifiable impact on the planet.
- cardio striptease — a form of keep-fit exercise in which people move their bodies in the manner of striptease artists
- cardiorespiratory — of, relating to, or affecting the heart and respiratory system.
- cariboo mountains — a mountain range in SW Canada, in SE British Columbia. Highest peak: Mount Sir Wilfrid Laurier, 3520 m (11 549 ft)
- carlos de austria — Don [dawn] /dɔn/ (Show IPA), 1545–68, eldest son of Philip II of Spain: died during imprisonment for conspiracy against his father.
- cartesian product — the set of all ordered pairs of members of two given sets. The product A × B is the set of all pairs <a, b> where a is a member of A and b is a member of B
- castilla la nueva — Spanish name of New Castile.
- castilla la vieja — Spanish name of Old Castile.
- casting the runes — (jargon) What a guru does when you ask him or her to run a particular program because it never works for anyone else; especially used when nobody can ever see what the guru is doing different from what J. Random Luser does. Compare incantation, runes, examining the entrails; also see the AI koan about Tom Knight.
- castle in the air — a hope or desire unlikely to be realized; daydream
- cat-o'-nine-tails — a rope whip consisting of nine knotted thongs, used formerly to flog prisoners
- catalina (island) — Santa Catalina (Island)
- catastrophization — The act or process of catastrophizing.
- catholic epistles — the epistles of James, I and II Peter, I John, and Jude, which were addressed to the universal Church rather than to an individual or a particular church
- caudal anesthesia — anesthesia below the pelvis, induced by injecting an anesthetic into the sacral portion of the spinal canal.
- causality paradox — the hypothetical cause-and-effect of time travel and making changes in the past that would affect current actions.
- cavalier servente — a lover; suitor.
- celestial equator — the great circle lying on the celestial sphere, the plane of which is perpendicular to the line joining the north and south celestial poles
- celestial horizon — the line or circle that forms the apparent boundary between earth and sky.
- cellulose nitrate — a compound made by treating cellulose with nitric and sulphuric acids, used in plastics, lacquers, and explosives: a nitrogen-containing ester of cellulose
- centi-call second — (spelling) No, it's centum call second.
- character witness — a witness in a trial who testifies to the accused's general good character rather than providing evidence about the specific offence which has led to him or her being on trial
- characterisations — Plural form of characterisation.
- characterizations — portrayal; description: the actor's characterization of a politician.
- charter of rights — a section of the Canadian Constitution containing a statement of the basic rights of citizens of Canada.
- chartered society — a society that has an official charter
- checkable deposit — a checking account
- chemotherapeutics — chemotherapy.
- china grass cloth — grass cloth.
- chinese artichoke — a hairy plant, Stachys affinis, of China and Japan, having numerous small, white, edible tubers.
- chinese turkestan — the E part of the central Asian region of Turkestan: corresponds generally to the present-day Xinjiang Uygur Autonomous Region of China
- chocolate biscuit — a biscuit covered with chocolate
- chocolate soldier — a person who mistakenly believes that he or she is very powerful, important, or impressive
- christian science — Christian Science is a type of Christianity which emphasizes the use of prayer to cure illness.
- christmas cracker — a decorated cardboard tube that emits a bang when pulled apart, releasing a toy, a joke, or a paper hat.
- christmas disease — a relatively mild type of haemophilia, caused by lack of a protein (Christmas factor) implicated in the process of blood clotting
- christmas present — a present given at Christmas time, typically on Christmas Day
- christmas pudding — Christmas pudding is a special pudding that is eaten at Christmas.
- chromolithographs — Plural form of chromolithograph.
- chugach mountains — a coastal mountain range in S Alaska, extending W from the St. Elias Mountains. Highest peak, Mount Marcus Baker, 13,176 feet (4016 meters).
- circassian walnut — the hard, heavy, brown or purplish wood of the English walnut
- circle the wagons — to take defensive action; prepare for an attack: from arranging a wagon train in a circular formation