17-letter words containing l, c, f
- mental deficiency — mental retardation
- microfilm plotter — a type of incremental plotter that has a film rather than a paper output
- molecular formula — a chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound.
- monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
- multiplier effect — the effect of government spending on national income
- natural frequency — the frequency at which a system vibrates when set in free vibration
- nuclear-free zone — any area in which nuclear weapons, power plants, or materials are not allowed.
- of the old school — If you approve of someone because they have good qualities that used to be more common in the past, you can describe them as one of the old school.
- 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 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
- old norman french — Norman French (sense 1)
- open-channel flow — Open-channel flow is a liquid flow in a channel, which has a free liquid surface.
- overreach oneself — to fail because of trying to do more than one can
- peacock butterfly — a European nymphalid butterfly, Inachis io, having reddish-brown wings each marked with a purple eyespot
- peridot of ceylon — a honey-colored tourmaline, used as a gem: not a true peridot.
- 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).
- political refugee — a person who has fled from a homeland because of political persecution.
- 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.
- procurator fiscal — In the Scottish legal system, the procurator fiscal is a public official who puts people on trial.
- profile component — attainment targets in different subjects brought together for the general assessment of a pupil
- 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.
- recursion formula — a formula for determining the next term of a sequence from one or more of the preceding terms.
- reduction formula — a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle
- reference library — A reference library is a library that contains books which you can look at in the library itself but which you cannot borrow.
- reflection nebula — a cloud of interstellar gas and dust that reflects the light of neighboring stars.
- refuse collection — the collection of rubbish and waste, usually in a rubbish or refuse truck, before final disposal
- republic of china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- republic of korea — a former country in E Asia, on a peninsula SE of Manchuria and between the Sea of Japan and the Yellow Sea: a kingdom prior to 1910; under Japanese rule 1910–45; now divided at 38° N into North Korea and South Korea. Compare Korean War.
- republic of palau — a republic comprising a group of islands in the W Pacific, in the W Caroline Islands; administratively part of the UN Trust Territory of the Pacific Islands 1947–87; entered into an agreement of free association with the US (1980); became fully independent in 1994. Chief island: Babelthuap. Capital: Ngerulmud on Babelthuap (functions moved from Koror in 2006). Pop: 21 108 (2013 est). Area: 476 sq km (184 sq miles)
- republic of yemen — Republic of, a country in S Arabia, formed in 1990 by the merger of the Yemen Arab Republic and the People's Democratic Republic of Yemen. 207,000 sq. mi. (536,130 sq. km). Capital: Aden.
- republic-of-china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- return of capital — A return of capital is a situation in which you receive back money that was previously invested.
- road-fund licence — a licence showing that the tax payable in respect of a motor vehicle has been paid
- rock of gibraltar — a British crown colony comprising a fortress and seaport located on a narrow promontory near the S tip of Spain. 1.875 sq. mi. (5 sq. km).
- sacrificial anode — Chemistry. an anode that is attached to a metal object subject to electrolysis and is decomposed instead of the object.
- scarlet firethorn — a Eurasian evergreen, thorny shrub, Pyracantha coccinea, of the rose family, having white, hairy flower clusters and bright red berries.
- self-acknowledged — widely recognized; generally accepted: an acknowledged authority on Chinese art.
- self-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
- self-belay device — (in climbing) a device used to pay out a safety rope as required