17-letter words containing r, f, c
- monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
- motion of censure — a motion by opposition parties criticizing the government
- multiplier effect — the effect of government spending on national income
- munitions factory — a factory where munitions are made
- natural frequency — the frequency at which a system vibrates when set in free vibration
- non-certification — the act of certifying.
- non-confrontation — an act of confronting.
- non-reinforcement — the act of reinforcing.
- nuclear-free zone — any area in which nuclear weapons, power plants, or materials are not allowed.
- nyquist frequency — (DSP) The highest frequency that can be represented in a digital signal of a specified sampling frequency. It is equal to one-half of the sampling rate. See Nyquist Theorem.
- object identifier — (programming) (OID) Generally an implementation-specific integer or pointer that uniquely identifies an object.
- odour of sanctity — sanctimoniousness
- of its own accord — If something happens of its own accord, it seems to happen by itself, without anyone making it happen.
- off-year election — (in the US) an election held in a year when a presidential election does not take place
- official receiver — an officer appointed by the Insolvency Service to receive the income and manage the estate of a bankrupt pending the appointment of a trustee in bankruptcy
- old norman french — Norman French (sense 1)
- orfeo ed euridice — an opera (1762), with music by Christoph Willibald von Gluck.
- orifice discharge — Orifice discharge is a model for calculating how quickly a fluid will come out of a punctured vessel or pipe.
- origin of species — (On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life) a treatise (1859) by Charles Darwin setting forth his theory of evolution.
- out for the count — If someone is out for the count, they are unconscious or very deeply asleep.
- overhead camshaft — a camshaft in an automotive engine that is located in the cylinder head over the engine block rather than in the block. Abbreviation: OHC.
- overreach oneself — to fail because of trying to do more than one can
- pacific northwest — the region of North America lying north of the Columbia River and west of the Rockies
- pacific tree frog — a common terrestrial frog, Hyla regilla, of western North America, having a dark stripe along each side of the head.
- pair of compasses — compass (def 7)
- passenger traffic — number of passengers
- peacock butterfly — a European nymphalid butterfly, Inachis io, having reddish-brown wings each marked with a purple eyespot
- performance bonus — a monetary bonus paid to staff who have performed well in their job
- performance drugs — the drugs that are taken illegally by athletes to enhance their sporting performance
- peridot of ceylon — a honey-colored tourmaline, used as a gem: not a true peridot.
- periodic function — a function of a real or complex variable that is periodic.
- personnel officer — a worker responsible for recruiting employees and dealing with matters relating to them
- petrol filler cap — a small cover that goes over the hole in a vehicle into which you put petrol
- phenylformic acid — benzoic acid.
- pincushion flower — scabious2 (def 1).
- point of presence — (PoP) A site where there exists a collection of telecommunications equipment, usually modems, digital leased lines and multi-protocol routers. An Internet access provider may operate several PoPs distributed throughout their area of operation to increase the chance that their subscribers will be able to reach one with a local telephone call. The alternative is for them to use virtual PoPs (virtual points of presence) via some third party.
- point of purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
- point-of-purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
- political refugee — a person who has fled from a homeland because of political persecution.
- port orford cedar — a tall tree, Chamaecyparis lawsoniana, of coastal Oregon, having flattened, scalelike foliage and wood highly valued as timber.
- pre-configuration — the relative disposition or arrangement of the parts or elements of a thing.
- pre-modifications — an act or instance of modifying.
- pre-qualification — a quality, accomplishment, etc., that fits a person for some function, office, or the like.
- prefect apostolic — the administrator, usually below the rank of bishop, in charge of a prefecture apostolic.
- preference shares — a share of preferred stock.
- presiding officer — the person who presides over the Scottish Parliament or Welsh Assembly
- pro forma invoice — an invoice issued before an order is placed or before the goods are delivered giving all the details and the cost of the goods
- probation officer — an officer who investigates and reports on the conduct of offenders who are free on probation.
- procurator fiscal — In the Scottish legal system, the procurator fiscal is a public official who puts people on trial.
- proficiency badge — an insignia or device granted by the Girl Scouts and worn especially on a uniform to indicate special achievement.