17-letter words containing a, r, t, o, i
- capital formation — the net additions to a capital stock in an accounting period
- 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.
- cardiac tamponade — tamponade (def 2).
- cardiac-tamponade — Medicine/Medical. the use of a tampon, as to stop a hemorrhage.
- cardio striptease — a form of keep-fit exercise in which people move their bodies in the manner of striptease artists
- cardioaccelerator — a substance that increases the heart rate.
- 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.
- 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.
- 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
- catastrophization — The act or process of catastrophizing.
- 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.
- 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
- 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
- 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
- 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
- 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.
- chicklet keyboard — (spelling) It's spelled "chiclet keyboard".
- china grass cloth — grass cloth.
- chinese artichoke — a hairy plant, Stachys affinis, of China and Japan, having numerous small, white, edible tubers.
- 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
- chlortetracycline — an antibiotic used in treating many bacterial and rickettsial infections: obtained from the bacterium Streptomyces aureofaciens. Formula: C22H23ClN2O8
- chocolate soldier — a person who mistakenly believes that he or she is very powerful, important, or impressive
- chromolithographs — Plural form of chromolithograph.
- chromolithography — the process of making coloured prints by lithography
- circle the wagons — to take defensive action; prepare for an attack: from arranging a wagon train in a circular formation
- circular function — trigonometric function (def 1).
- circular velocity — the velocity at which a body must move in order to maintain an orbit at the outer edge of the earth's atmosphere.
- circumlocutionary — a roundabout or indirect way of speaking; the use of more words than necessary to express an idea.
- cistern barometer — a mercury barometer in which the lower mercury surface has a greater area than the upper.
- city of gibraltar — a city on the Rock of Gibraltar, a limestone promontory at the tip of S Spain: settled by Moors in 711 and taken by Spain in 1462; ceded to Britain in 1713; a British crown colony (1830–1969), still politically associated with Britain; a naval and air base of strategic importance. Pop: 29 111 (2013 est). Area: 6.5 sq km (2.5 sq miles)
- clairaut equation — a differential equation of the form y = xy prime; + f (y prime;).
- clear box testing — white box testing
- clicks and mortar — making use of traditional trading methods in conjunction with internet trading
- clicks-and-mortar — pertaining to or denoting a company that does business on the Internet and in traditional stores or offices.
- clipperton island — an uninhabited atoll in the E Pacific SW of Mexico, under French administration. Area: 6 sq km (2.3 sq miles)