17-letter words containing g, i, r, o, n
- neurophysiologist — the branch of physiology dealing with the functions of the nervous system.
- neuropsychologist — A neurologist or psychologist whose speciality is neuropsychology.
- 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.
- nitrogen narcosis — a semistupor, lightheadedness, or euphoria experienced by deep-sea divers when nitrogen from air enters the blood at higher than atmospheric pressure.
- nitrogen peroxide — the equilibrium mixture of nitrogen dioxide and dinitrogen tetroxide
- non-argumentative — fond of or given to argument and dispute; disputatious; contentious: The law students were an unusually argumentative group.
- non-biodegradable — capable of decaying through the action of living organisms: biodegradable paper; biodegradable detergent.
- non-corresponding — identical in all essentials or respects: corresponding fingerprints.
- 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.
- 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 michigan — the peninsula between lakes Superior and Michigan constituting the N part of Michigan. Abbreviation: U.P.
- 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
- number eight iron — a club with an iron head the face of which has more slope than a pitcher but less slope than a niblick.
- ocean engineering — the branch of engineering that deals with the development of equipment and techniques for the exploration of the ocean floor and exploitation of its resources.
- oceanographically — In terms of oceanography.
- old age pensioner — An old age pensioner is a person who is old enough to receive an pension from their employer or the government.
- on speaking terms — the act, utterance, or discourse of a person who speaks.
- on the right foot — in an auspicious manner
- on-street parking — parking (of a car, vehicle, etc) that is or is allowed to be done on a street
- once over lightly — a hasty or superficial treatment, look, examination, etc.; once-over: The maid gave the room the once-over-lightly.
- once-over-lightly — a hasty or superficial treatment, look, examination, etc.; once-over: The maid gave the room the once-over-lightly.
- 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 flower oil — neroli oil.
- 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.
- organic psychosis — a severe mental illness produced by damage to the brain, as a result of poisoning, alcoholism, disease, etc
- organized ferment — ferment (def 1).
- organized militia — a former military organization functioning under both state and federal authority.
- 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.
- 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
- overnight success — sth or sb suddenly popular
- oversquare engine — An oversquare engine is an engine which has a cylinder bore that is larger than its stroke.
- parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
- passenger station — a station used by passengers
- perforation gauge — a marked ruler used to measure the number of perforations per unit length along the borders of a stamp.
- permutation group — a mathematical group whose elements are permutations and in which the product of two permutations is the same permutation as is obtained by performing them in succession.