17-letter words containing c, i, f
- 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-site facility — An off-site facility is a facility which is not at the main industrial or commercial site.
- off-year election — (in the US) an election held in a year when a presidential election does not take place
- office automation — a method or system of using automated or electronic equipment, as word processors and computers, in the operations of an office.
- office by example — (language) (OBE) A sequel to QBE, described in publications by Moshe Zloof of IBM in the early 1980s but apparently never implemented.
- 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
- on the face of it — the front part of the head, from the forehead to the chin.
- 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 of commission — the act of committing or entrusting a person, group, etc., with supervisory power or authority.
- 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
- 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.
- piece of business — business (def 10).
- 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.
- positive feedback — Electronics. the process of returning part of the output of a circuit, system, or device to the input, either to oppose the input (negative feedback) or to aid the input (positive feedback) acoustic feedback.
- 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.
- 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.
- profile component — attainment targets in different subjects brought together for the general assessment of a pupil
- protection factor — a figure representing the relative degree of protection from the sun's rays afforded by a particular sunscreen
- protective tariff — a tariff levied on imports to protect the domestic economy rather than to raise revenue
- pseudo-scientific — any of various methods, theories, or systems, as astrology, psychokinesis, or clairvoyance, considered as having no scientific basis.
- publicity officer — a person who is employed to get publicity for an organization, or to provide information about it
- purple of cassius — a purple pigment precipitated as a sol by the interaction of gold chloride and a solution of stannic acid and stannous chloride: used chiefly in the manufacture of ruby glass, ceramic glazes, and enamels.
- pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
- quadratic formula — the formula for determining theroots of a quadratic equation from its coefficients: .
- qualified success — If you describe something as a qualified success, you mean that it is only partly successful.
- rational function — a function that can be written as the quotient of two polynomials with integral coefficients.
- receding forehead — a forehead which slopes backwards