17-letter words containing n, o, r, e, f

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.
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.
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
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.
organized ferment — ferment (def 1).
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.
out of all reason — unreasonable
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
palette of narmer — a king of Egypt identified by modern scholars as the Menes of tradition and depicted as the unifier of Upper and Lower Egypt on an ancient slate tablet (Narmer Palette or Palette of Narmer) c3200 b.c. with relief carvings on both sides.
parts of kesteven — an area in E England constituting a former administrative division of Lincolnshire
perforation gauge — a marked ruler used to measure the number of perforations per unit length along the borders of a stamp.
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
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.
polarizing filter — a camera lens filter used to control the plane of polarization of light entering the lens.
portfolio manager — a person employed by others to make investments for them

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