17-letter words containing t, r, a, n, g
- natural logarithm — a logarithm having e as a base. Symbol: ln.
- negative particle — a word that indicates negativity, for example 'not' in English or 'ne pas' in French
- negative polarity — the grammatical character of a word or phrase, such as ever or any, that may normally be used only in a semantically or syntactically negative or interrogative context
- 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.
- nessler's reagent — an aqueous solution of potassium iodide, mercuric chloride, and potassium hydroxide, used as a test for the presence of ammonia.
- network marketing — a marketing strategy in which sales representatives of a company recruit other salespeople and earn commissions on their own sales and on the sales made by their team: Use your personal relationships to be successful in network marketing.
- neurodegenerative — Resulting in or characterized by degeneration of the nervous system, especially the neurons in the brain.
- neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
- new age traveller — New Age travellers are people who live in tents and vehicles and travel from place to place, and who reject many of the values of modern society.
- new england aster — a tall composite plant, Aster novae-angliae, of the northeastern U.S., the flowers of which have lavender to deep-purple rays.
- newspaper cutting — clipping from a news publication
- 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.
- nitrogen narcosis — a semistupor, lightheadedness, or euphoria experienced by deep-sea divers when nitrogen from air enters the blood at higher than atmospheric pressure.
- non-argumentative — fond of or given to argument and dispute; disputatious; contentious: The law students were an unusually argumentative group.
- non-incriminating — to accuse of or present proof of a crime or fault: He incriminated both men to the grand jury.
- non-profit-making — A non-profit-making organization or charity is not run with the intention of making a profit.
- non-reciprocating — to give, feel, etc., in return.
- nondiscriminating — differentiating; analytical.
- normal orthogonal — orthonormal.
- northeast passage — a ship route along the N coast of Europe and Asia, between the North Sea and the Pacific.
- northern michigan — the peninsula between lakes Superior and Michigan constituting the N part of Michigan. Abbreviation: U.P.
- northwest passage — a ship route along the Arctic coast of Canada and Alaska, joining the Atlantic and Pacific oceans.
- norwegian current — an ocean current formed from the terminus of the North Atlantic Current, flowing N along the Norwegian coast into the Barents Sea.
- not lift a finger — any of the terminal members of the hand, especially one other than the thumb.
- nothing more than — merely, solely
- on speaking terms — the act, utterance, or discourse of a person who speaks.
- on the wrong tack — a short, sharp-pointed nail, usually with a flat, broad head.
- on-street parking — parking (of a car, vehicle, etc) that is or is allowed to be done on a street
- open-end mortgage — a mortgage agreement against which new sums of money may be borrowed under certain conditions.
- opening arguments — the statements or arguments provided by lawyers at the beginning of a trial
- operating theatre — An operating theatre is a special room in a hospital where surgeons carry out medical operations.
- 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.
- organ-pipe cactus — a treelike or columnar cactus, Lemaireocereus marginatus, of Mexico, having a central, erect spine surrounded by spreading spines in clusters of five to eight, and funnel-shaped, brownish-purple flowers.
- organic chemistry — the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.
- organized ferment — ferment (def 1).
- organized militia — a former military organization functioning under both state and federal authority.
- orthogonal matrix — a matrix that is the inverse of its transpose so that any two rows or any two columns are orthogonal vectors
- orthogonalization — (mathematics) The process of converting a set of functions or vectors into orthogonal ones.
- osculating circle — circle of curvature.
- otolaryngological — Pertaining to otolaryngology.
- otolaryngologists — Plural form of otolaryngologist.
- outline agreement — a contract, etc, setting out the preliminary terms or guidelines for an agreement; a preliminary agreement
- overhead lighting — lighting which throws light downwards by being situated on the ceiling or having a downward shade, etc
- painted greenling — a greenling, Oxylebius pictus, inhabiting the Pacific coastal waters of North America, having a whitish body marked with black bands.
- paleoanthropology — the study of the origins and predecessors of the present human species, using fossils and other remains.
- paralysis agitans — Parkinson's disease
- parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
- paratungstic acid — an oxyacid acid of tungsten. Formula: H10W12O14
- parking attendant — a person who works for a traffic control agency and who issues tickets for parking violations