17-letter words containing r, e, g, o
- methylidyne group — the trivalent group ≡CH.
- micropaleontology — the branch of paleontology dealing with the study of microscopic fossils.
- mid-oceanic ridge — the continuous, double-ridged chain of mountains on the ocean floor, extending through the middle of the Atlantic Ocean and into the Indian and Pacific oceans
- middle low german — Low German of the period c1100–c1500.
- midmorning prayer — the third of the seven canonical hours; terce
- mikhail gorbachev — Mikhail S(ergeyevich) [mi-kahyl sur-gey-uh-vich,, mi-keyl;; Russian myi-khuh-yeel syir-gye-yi-vyich] /mɪˈkaɪl sɜrˈgeɪ ə vɪtʃ,, mɪˈkeɪl;; Russian myɪ xʌˈyil syɪrˈgyɛ yɪ vyɪtʃ/ (Show IPA), born 1931, Soviet political leader: general secretary of the Communist Party 1985–91; president of the Soviet Union 1988–91; Nobel Peace Prize 1990.
- mileage indicator — a device on a vehicle such as a car, plane, etc which indicates the number of miles travelled
- military governor — the military officer in command of a military government.
- modest mussorgski — Modest Petrovich [moh-dest pi-troh-vich;; Russian muh-dyest pyi-traw-vyich] /moʊˈdɛst pɪˈtroʊ vɪtʃ;; Russian mʌˈdyɛst pyɪˈtrɔ vyɪtʃ/ (Show IPA), Moussorgsky, Modest Petrovich.
- molecular biology — the branch of biology that deals with the nature of biological phenomena at the molecular level through the study of DNA and RNA, proteins, and other macromolecules involved in genetic information and cell function, characteristically making use of advanced tools and techniques of separation, manipulation, imaging, and analysis.
- montagu's harrier — a brownish European bird of prey, Circus pygargus, with long narrow wings and a long tail: family Accipitridae (hawks, harriers, etc)
- mother of vinegar — mother2 .
- motorcycle engine — the engine of a motorcycle
- motorcycle racing — sport: competing on motorcycles
- motoring magazine — a magazine about cars
- multigenerational — of or relating to several generations, as of a family, or society: a multigenerational novel covering 300 years.
- multiple cropping — the use of the same field for two or more crops, whether of the same or of different kinds, successively during a single year.
- mundane astrology — the astrology of worldly events, in contrast to the astrology of the individual: used especially in interpretations and forecasts involving politics, the stock market, weather, and disasters.
- national heritage — country's cultural legacy
- 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
- 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.
- neurobiologically — In terms of or by means of neurobiology.
- 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.
- neuropharmacology — the branch of pharmacology concerned with the effects of drugs on the nervous system.
- 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-reciprocating — to give, feel, etc., in return.
- north frigid zone — the part of the earth's surface between the Arctic Circle and the North Pole.
- northeast passage — a ship route along the N coast of Europe and Asia, between the North Sea and the Pacific.
- 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.
- 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
- 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 a razor's edge — in an acute dilemma
- on speaking terms — the act, utterance, or discourse of a person who speaks.
- on the right foot — in an auspicious manner