18-letter words containing c, r, o, i
- collision coverage — Collision coverage is insurance cover for vehicle accidents.
- collision diameter — the distance between the centers of two colliding molecules when at their closest point of approach.
- colonic irrigation — Colonic irrigation is a medical procedure in which a person's colon is washed by injecting water or other fluids into it.
- comb-footed spider — any of numerous spiders constituting the family Theridiidae, having a comblike row of bristles on the tarsi of the hind legs.
- combination square — an adjustable device for carpenters, used as a try square, miter square, level, etc.
- combined operation — a military operation carried out jointly by allied forces
- combustion chamber — an enclosed space in which combustion takes place, such as the space above the piston in the cylinder head of an internal-combustion engine or the chambers in a gas turbine or rocket engine in which fuel and oxidant burn
- combustion furnace — a furnace used in the laboratory to carry out elemental analysis of organic compounds
- come to grips with — If you come to grips with a problem, you consider it seriously, and start taking action to deal with it.
- come to terms with — If you come to terms with something difficult or unpleasant, you learn to accept and deal with it.
- commander in chief — Also, Commander in Chief. the supreme commander of the armed forces of a nation or, sometimes, of several allied nations: The president is the Commander in Chief of the U.S. Army, Navy, and Air Force.
- commander-in-chief — A commander-in-chief is a senior officer who is in charge of all the forces in a particular area.
- commanding officer — A commanding officer is an officer who is in charge of a military unit.
- commando operation — a major operation for treatment of cancer of the head and neck, involving removal of many facial structures and subsequent surgical reconstruction
- commedia dell'arte — a form of popular comedy developed in Italy during the 16th to 18th centuries, with stock characters such as Punchinello, Harlequin, and Columbine, in situations improvised from a plot outline
- commercial attache — an attaché in an embassy or legation representing the commercial interests of his or her country.
- commercial college — a college providing tuition in commercial skills, such as shorthand and book-keeping
- commercial vehicle — a vehicle for carrying goods or (less commonly) passengers
- common denominator — In mathematics, a common denominator is a number which can be divided exactly by all the denominators in a group of fractions.
- common wintergreen — a plant (Pyrola minor) of temperate and arctic regions, having rounded leaves and small pink globose flowers: family Pyrolaceae
- communication cord — a cord or chain in a train which may be pulled by a passenger to stop the train in an emergency
- community property — the joint ownership of the property of a husband and wife
- comodoro rivadavia — a city in E Argentina.
- comparative method — a body of procedures and criteria used by linguists to determine whether and how two or more languages are related and to reconstruct forms of their hypothetical parent language.
- comparison shopper — an employee of a retail store hired to visit competing stores in order to gather information regarding styles, quality, prices, etc., of merchandise offered by competitors.
- compartmentalizing — Present participle of compartmentalize.
- compensation award — an amount of money awarded as compensation in a court case
- compensation order — (in Britain) the requirement of a court that an offender pay compensation for injury, loss, or damage resulting from an offence, either in preference to or as well as a fine
- complementarianism — The doctrine that genders in a society should have complementary roles.
- complexity measure — (algorithm) A quantity describing the complexity of a computation.
- compliance officer — a specialist, usually a lawyer, employed by a financial group operating in a variety of fields and for multiple clients to ensure that no conflict of interest arises and that all obligations and regulations are complied with
- composition rubber — manufactured rubber
- composition series — a normal series of subgroups in which no additional subgroups can be inserted.
- comprehensibleness — The quality of being comprehensible; comprehensibility.
- compression stroke — The compression stroke is the stroke in an engine in which the air or air/fuel mixture is compressed before ignition.
- compressor station — A compressor station is a facility with several compressors (= devices that increase the pressure of air or natural gas) and other equipment to pump natural gas under pressure over long distances.
- computer animation — animated film or video that is generated by computers
- computer scientist — a person with advanced knowledge of computers and how they work
- concentration camp — A concentration camp is a prison in which large numbers of ordinary people are kept in very bad conditions, usually during a war.
- concentration cell — a galvanic cell consisting of two electrodes of the same metal each in different concentrations of a solution of the same salt of that metal.
- concentration span — the length of time a person can concentrate on something
- conceptual realism — the doctrine that universals have real and independent existence.
- concrete universal — a principle that necessarily has universal import but is also concrete by virtue of its arising in historical situations.
- concurring opinion — an opinion issued by one or more judges which agrees with the decision reached by the majority of the court, but offers additional or different reasons for reaching that decision
- concussion grenade — a grenade designed to inflict damage by the force of its detonation rather than by the fragmentation of its casing.
- condensation trail — contrail.
- conditioned reflex — a reflex in which the response (e.g., secretion of saliva in a dog) is occasioned by a secondary stimulus (e.g., the ringing of a bell) repeatedly associated with the primary stimulus (e.g., the sight of meat)
- conductivity water — water that has a conductivity of less than 0.043 × 10–6 S cm–1
- configuration item — (jargon) Hardware or software, or an aggregate of both, which is designated by the project configuration manager (or contracting agency) for configuration management.
- congregate housing — a type of housing in which each individual or family has a private bedroom or living quarters but shares with other residents a common dining room, recreational room, or other facilities.