19-letter words containing l, a, r, o, u
- chlorofluoromethane — any of a series of gaseous or volatile methanes substituted with chlorine and fluorine and containing little or no hydrogen: used as refrigerants and, formerly, as aerosol propellants until scientists became concerned about depletion of the atmospheric ozone layer.
- chlorosulfonic acid — a colorless or yellowish, highly corrosive, pungent liquid, HClO 3 S, usually produced by treating sulfur trioxide with hydrogen chloride: used in organic synthesis to introduce the sulfonyl chloride group, =SO 2 Cl.
- circle of curvature — the circle with its center on the normal to the concave side of a curve at a given point on the curve and with its radius equal to the radius of curvature at the point.
- circular definition — a definition in which the definiendum (the expression being defined) or a variant of it appears in the definiens (the expression that defines it).
- circulation manager — the senior manager responsible for the distribution of a newspaper
- cobaltous hydroxide — a rose-red, amorphous, water-insoluble powder, Co 2 O 3 ⋅3H 2 O, used chiefly in the preparation of cobalt salts and in the manufacture of paint and varnish driers.
- cock and bull story — an absurd, improbable story presented as the truth: Don't ask him about his ancestry unless you want to hear a cock-and-bull story.
- cock-and-bull story — If you describe something that someone tells you as a cock-and-bull story, you mean that you do not believe it is true.
- collision insurance — insurance protecting an automobile owner against loss or damage to the automobile resulting from a collision or other accident.
- columnar epithelium — epithelium consisting of one or more layers of elongated cells of cylindrical or prismatic shape.
- community relations — the particular state of affairs in an area where potentially conflicting ethnic, religious, cultural, political, or linguistic groups live together
- complete quadrangle — a plane figure consisting of four points connected by six lines
- compulsory purchase — purchase of a house or other property by a local authority or government department for public use or to make way for development, regardless of whether or not the owner wishes to sell
- computer peripheral — a device that is attached to and controlled by a computer, such as a scanner, printer, or external hard drive
- computer simulation — an event, process, or scenario that is created on a computer
- concours d'elegance — a parade of cars or other vehicles, prizes being awarded to the most elegant, best designed, or best turned-out
- concurrentsmalltalk — (language) A concurrent variant of Smalltalk.
- connecticut warbler — a North American wood warbler, Oporornis agilis, olive-green above with a gray head and throat and yellow below.
- consultant engineer — an engineer who works as a consultant to a project or company
- consultation period — a period during which consultations are held before a policy decision is made
- contractile vacuole — a membrane-enveloped cellular organelle, found in many microorganisms, that periodically expands, filling with water, and then contracts, expelling its contents to the cell exterior: thought to be important in maintaining hydrostatic equilibrium.
- corporal punishment — Corporal punishment is the punishment of people by hitting them.
- corrosive sublimate — mercuric chloride
- countersurveillance — The art of evading surveillance.
- countervailing duty — an extra import duty imposed by a country on certain imports, esp to prevent dumping or to counteract subsidies in the exporting country
- cudgel one's brains — to think hard about a problem
- cult of personality — a cult promoting adulation of a living national leader or public figure, as one encouraged by Stalin to extend his power.
- cultivated mushroom — an edible mushroom (Agaricus bisporus) with a pale cap and stalk: the most common food mushroom
- cultural revolution — (in China) a mass movement (1965–68), in which the youthful Red Guard played a prominent part. It was initiated by Mao Tse-tung to destroy the power of the bureaucrats and to revolutionize the attitudes and behaviour of the people
- customs declaration — a form declaring the nature and value of goods, etc, for customs purposes
- customs regulations — the regulations relating to customs in a particular country
- darby and joan club — a club for elderly people
- de broglie equation — the postulate of wave mechanics that a particle of mass m moving at a velocity v will have the properties of a wave of wavelength h / mv (de Broglie wavelength) where h is Planck's constant.
- deindustrialisation — Alternative spelling of deindustrialization.
- deindustrialization — the decline in importance of manufacturing industry in the economy of a nation or area
- developable surface — a surface that can be flattened onto a plane without stretching or compressing any part of it, as a circular cone.
- diamond-leaf laurel — a tree, Pittosporum rhombifolium, of Australia, having coarsely toothed, oval or diamond-shaped leaves and white flowers, widely planted as an ornamental in the southwestern U.S.
- directional coupler — (communications) (tap) A passive device used in cable systems to divide and combine radio frequency signals. A directional coupler has at least three ports: line in, line out, and the tap. The signal passes between line in and line out ports with loss referred to as the insertion loss. A small portion of the signal power applied to the line in port passes to the tap port. A signal applied to the tap port is passed to the line in port less the tap attenuation value. The tap signals are isolated from the line out port to prevent reflections. A signal applied to the line out port passes to the line in port and is isolated from the tap port. Some devices provide more than one tap output line (multi-taps).
- dollard-des-ormeaux — a town in S Quebec, in E Canada: suburb of Montreal.
- double-helical gear — herringbone gear.
- dry-bulk cargo ship — a ship that carries an unpackaged dry cargo such as coal or grain; bulk carrier
- early purple orchid — a Eurasian orchid, Orchis mascula, with purplish-crimson flowers and stems marked with blackish-purple spots
- ebola virus disease — Also called Ebola fever, Ebola hemorrhagic fever, Ebola virus disease. a usually fatal disease, a type of hemorrhagic fever, caused by the Ebola virus and marked by high fever, severe gastrointestinal distress, and bleeding.
- educational adviser — a person who provides advice and training to teachers about teaching methods and educational policies
- elastomeric closure — An elastomeric closure is a component that closes a piece of packaging. An elastomeric closure is made from a material that is able to resume its original shape when it is removed from the packaging and may be in direct contact with the drug enclosed in the pack.
- electrostatic units — the system of CGS electric and magnetic units that assigns the value of one to the dielectric constant of a vacuum
- electrotherapeutics — (medicine) the use of electricity in therapeutics.
- employment tribunal — (in England, Scotland, and Wales) a tribunal that rules on disputes between employers and employees regarding unfair dismissal, redundancy, etc
- entry qualification — the qualifications and conditions required to join an organization, club, etc
- environmental audit — the systematic examination of an organization's interaction with the environment, to assess the success of its conservation or antipollution programme