17-letter words containing o, r
- carolina parakeet — an extinct New World parakeet, Conuropsis carolinensis, that ranged into the northern U.S., having yellowish-green plumage with an orange-yellow head.
- carry a torch for — If you say that someone is carrying a torch for someone else, you mean that they secretly admire them or love them.
- 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
- cartoon character — one of the people or animals in an animated film
- cassette recorder — A cassette recorder is a machine that is used for recording and listening to cassettes.
- cast/run your eye — If you cast your eye or run your eye over something, you look at it or read it quickly.
- castor and pollux — the twin sons of Leda: Pollux was fathered by Zeus, Castor by the mortal Tyndareus. After Castor's death, Pollux spent half his days with his half-brother in Hades and half with the gods in Olympus
- catastrophization — The act or process of catastrophizing.
- catcher resonator — See under Klystron.
- categoric contact — behavior toward an individual on the basis of the type or group of people that person represents rather than on the basis of personal makeup.
- causality paradox — the hypothetical cause-and-effect of time travel and making changes in the past that would affect current actions.
- 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.
- cellular automata — cellular automaton
- 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
- cellulose varnish — a varnish made from cellulose nitrate, used as a protective sealing film
- center of gravity — The center of gravity of an object is a point in it. If this point is above the base of the object, it stays stable, rather than falling over.
- central committee — (in Communist parties) the body responsible for party policy between meetings of the party congress: in practice, it is in charge of day-to-day operations of the party bureaucracy
- centre of gravity — The centre of gravity of an object is a point in it. If this point is above the base of the object, it stays stable, rather than falling over.
- centrifugal force — In physics, centrifugal force is the force that makes objects move outwards when they are spinning around something or travelling in a curve.
- centripetal force — a force that acts inwards on any body that rotates or moves along a curved path and is directed towards the centre of curvature of the path or the axis of rotation
- châlons-sur-marne — city in NE France, on the Marne River: scene of defeat ( a.d. 451) of Attila by the Romans: pop. 50,000
- chamber orchestra — A chamber orchestra is a small orchestra which plays classical music.
- chancery division — (in England) the Lord Chancellor's court, now a division of the High Court of Justice
- chanson de roland — English The Song of Roland. a chanson de geste (c1100) relating Roland's brave deeds and death at Roncesvalles and Charlemagne's revenge.
- characterisations — Plural form of characterisation.
- characterizations — portrayal; description: the actor's characterization of a politician.
- characterological — of or relating to character or the study of character
- charles henry dow — Charles Henry, 1851–1902, U.S. journalist and publisher: a founder of Dow Jones company.
- charles townshend — Charles, 1725–67, English politician, chancellor of the exchequer for whom the Townshend Acts are named.
- chart of accounts — A chart of accounts is a list of all the accounts used in a business to classify transactions or report balances.
- charter of rights — a section of the Canadian Constitution containing a statement of the basic rights of citizens of Canada.
- chartered company — a company formed for the purpose of exploration and colonization
- chartered society — a society that has an official charter
- chateau cardboard — wine sold in a winebox
- chelsea pensioner — an old ex-soldier resident in the Chelsea Royal Hospital
- chemical property — Chemistry. a property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed: Combustibility is an important chemical property to consider when choosing building materials.
- chemical reaction — a process that involves changes in the structure and energy content of atoms, molecules, or ions but not their nuclei
- chemoradiotherapy — (medicine) A combination of chemotherapy and radiotherapy used to treat some cancers.
- chemotherapeutics — chemotherapy.
- chest compression — Chest compression is the act of applying pressure to someone's chest in order to help blood flow through the heart in an emergency situation.
- chicklet keyboard — (spelling) It's spelled "chiclet keyboard".
- child pornography — pornography using a child or children as the subject.
- china grass cloth — grass cloth.
- chinese artichoke — a hairy plant, Stachys affinis, of China and Japan, having numerous small, white, edible tubers.
- chinese vermilion — pimento (def 3).
- chloracetophenone — chloroacetophenone.
- chloroacetic acid — a colourless crystalline soluble strong acid prepared by chlorinating acetic acid and used as an intermediate in the manufacture of many chemicals; monochloracetic acid. Formula: CH2ClCOOH
- chloronaphthalene — either of two isomeric naphthalene compounds containing one chlorine atom.
- chlortetracycline — an antibiotic used in treating many bacterial and rickettsial infections: obtained from the bacterium Streptomyces aureofaciens. Formula: C22H23ClN2O8