17-letter words containing r, f, e
- mode of transport — means of travel
- molecular formula — a chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound.
- moment of inertia — the sum of the products of the mass and the square of the perpendicular distance to the axis of rotation of each particle in a body rotating about an axis.
- monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
- money-market fund — a mutual fund that invests in the money market.
- month after month — every month
- mother of vinegar — mother2 .
- motion of censure — a motion by opposition parties criticizing the government
- mount fairweather — a mountain in W North America, on the border between Alaska and British Columbia. Height: 4663 m (15 300 ft)
- multiplier effect — the effect of government spending on national income
- native frangipani — an Australian evergreen tree, Hymenosporum flavum, with large fragrant yellow flowers: family Pittosporaceae
- natural frequency — the frequency at which a system vibrates when set in free vibration
- negative transfer — the obstruction of or interference with new learning because of previous learning, as when a U.S. tourist in England learns to drive on the left side of the road.
- neurofibromatosis — a dominantly inherited genetic disorder characterized by flat brown patches on the skin, neurofibromas of the skin and internal organs, and in some cases skeletal deformity.
- niger-kordofanian — a language family comprising Niger-Congo and Kordofanian.
- night after night — every night or for many successive nights
- nitrogen fixation — any process of combining atmospheric nitrogen with other elements, either by chemical means or by bacterial action: used chiefly in the preparation of fertilizers, industrial products, etc.
- non-certification — the act of certifying.
- non-proliferation — Non-proliferation is the limiting of the production and spread of something such as nuclear or chemical weapons.
- non-reinforcement — the act of reinforcing.
- noninertial frame — a frame of reference that moves with the object, so that the moving object appears to violate Newton's laws of motion since it accelerates despite having no horizontal forces on it.
- north frigid zone — the part of the earth's surface between the Arctic Circle and the North Pole.
- northern kingfish — a croaker, Menticirrhus saxatilis, inhabiting Atlantic coastal waters of the U.S.
- northern studfish — See under studfish.
- not lift a finger — any of the terminal members of the hand, especially one other than the thumb.
- not spare oneself — to exert oneself to the full
- noun pre-modifier — a noun that occurs before and modifies another noun, as toy in toy store or tour in tour group.
- 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.
- odds-on favourite — a person, team, horse, etc that is regarded as the most likely to win a competition
- off one's trolley — trolley car.
- 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
- oil of turpentine — a colorless, flammable, volatile essential oil having a penetrating odor and a pungent, bitter taste, obtained from turpentine oleoresin by distillation: used in paints and varnishes, and in medicine as a carminative, vermifuge, expectorant, rubefacient, and, formerly, as a diuretic.
- old norman french — Norman French (sense 1)
- on the front foot — at an advantage, outclassing and outmanoeuvring one's opponents
- on the home front — domestically
- on the right foot — in an auspicious manner
- on the wrong foot — in an inauspicious manner
- one for the books — a handwritten or printed work of fiction or nonfiction, usually on sheets of paper fastened or bound together within covers.
- one-parent family — A one-parent family is a family that consists of one parent and his or her children living together.
- orange flower oil — neroli oil.
- orange free state — a province in central Republic of South Africa: a Boer republic 1854–1900; a British colony (Orange River Colony, ) 1900–10. 49,647 sq. mi. (128,586 sq. km). Capital: Bloemfontein.
- order of business — a task assigned or to be dealt with: Our first order of business is to reduce expenses.
- orfeo ed euridice — an opera (1762), with music by Christoph Willibald von Gluck.
- organized ferment — ferment (def 1).
- 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.
- other fish to fry — any of various cold-blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with scales.