19-letter words containing r, u, n, l
- blue-ringed octopus — a highly venomous octopus, Octopus maculosus, of E Australia which exhibits blue bands on its tentacles when disturbed
- blue-tongued lizard — a large Australian lizard, Tiliqua scincoides, characterized by having a cobalt-blue tongue.
- born out of wedlock — born when one's parents are not legally married
- brightline spectrum — the spectrum of an incandescent substance appearing on a spectrogram as one or more bright lines against a dark background.
- brimstone butterfly — a common yellow butterfly, Gonepteryx rhamni, of N temperate regions of the Old World: family Pieridae
- building contractor — an individual or company that contracts for the construction of houses, etc
- buildings insurance — insurance which covers buildings
- bulbourethral gland — Cowper's gland
- buster brown collar — a medium-sized, starched collar with rounded edges, lying flat on the shoulders, worn by women and girls.
- california bluebell — either of two plants, Phacelia campanularia or P. minor, of southern California, having ovate leaves and bell-shaped blue or purple flowers.
- campernelle jonquil — a narcissus, Narcissus odorus, of the amaryllis family, having clusters of two to four fragrant yellow flowers.
- canterbury pilgrims — the pilgrims whose stories are told in Chaucer's Canterbury Tales
- cape york peninsula — large peninsula in NE Australia, part of Queensland, between the Gulf of Carpentaria & the Coral Sea
- capital expenditure — expenditure on acquisitions of or improvements to fixed assets
- centrifugal casting — casting that utilizes centrifugal force within a spinning mold to force the metal against the walls.
- cerebrospinal fluid — the clear colourless fluid in the spaces inside and around the spinal cord and brain
- chinese liver fluke — a parasitic Asian flatworm, Clonorchis sinensis, that infects the gastrointestinal tract and bile duct following ingestion of contaminated raw or insufficiently cooked freshwater fish.
- chlorofluorocarbons — Plural form of chlorofluorocarbon.
- 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 confusion — a circular spot on a film, resulting from the degree to which a pencil of light reflected from the field of view is focused in front of or behind the film, or from aberration of the lens, or from both.
- 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).
- circulating capital — the non-permanent raw materials and operating expenses that are used up to produce other goods or services
- circulating decimal — repeating decimal
- circulating library — a small library circulated in turn to a group of schools or other institutions
- circulation manager — the senior manager responsible for the distribution of a newspaper
- clemastine fumarate — an antihistamine, C 25 H 30 ClNO 5 , that has drying and some sedative effects, used for symptomatic relief of allergy.
- 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
- compromise solution — a solution to a problem reached by compromise
- computer simulation — an event, process, or scenario that is created on a computer
- computer-controlled — controlled by computers, esp without direct human intervention
- 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.
- convulsive disorder — any of various types of epilepsy.
- corporal punishment — Corporal punishment is the punishment of people by hitting them.
- corruption of blood — the impurity before law that results from attainder and disqualifies the attainted person from inheriting, retaining, or bequeathing lands or interests in lands: abolished in 1870.
- counterintelligence — Counterintelligence consists of actions that a country takes in order to find out whether another country is spying on it and to prevent it from doing so.
- counterproductively — In a counterproductive way.
- 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
- creeping cinquefoil — any of several plants belonging to the genus Potentilla, of the rose family, having yellow, red, or white five-petaled flowers, as P. reptans (creeping cinquefoil) of the Old World, or P. argentea (silvery cinquefoil) of North America.