17-letter words containing p, r, o, g, e
- malay archipelago — an extensive island group in the Indian and Pacific oceans, SE of Asia, including the Greater and Lesser Sunda Islands, the Moluccas, and the Philippines.
- manpower planning — a procedure used in organizations to balance future requirements for all levels of employee with the availability of such employees
- mass spectrograph — a mass spectroscope for recording a mass spectrum on a photographic plate.
- mercury poisoning — illness caused by exposure to mercury
- methylidyne group — the trivalent group ≡CH.
- micropaleontology — the branch of paleontology dealing with the study of microscopic fossils.
- midmorning prayer — the third of the seven canonical hours; terce
- 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.
- 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
- 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.
- nitrogen peroxide — the equilibrium mixture of nitrogen dioxide and dinitrogen tetroxide
- non-corresponding — identical in all essentials or respects: corresponding fingerprints.
- non-reciprocating — to give, feel, etc., in return.
- northeast passage — a ship route along the N coast of Europe and Asia, between the North Sea and the Pacific.
- northwest passage — a ship route along the Arctic coast of Canada and Alaska, joining the Atlantic and Pacific oceans.
- 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-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.
- oregon crab apple — a shrub or small tree, Malus fusca, of the rose family, of the northwestern coast of North America, having hairy leaves, white flowers, and yellow or green oblong fruit.
- 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.
- 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.
- pacific tree frog — a common terrestrial frog, Hyla regilla, of western North America, having a dark stripe along each side of the head.
- palaeoarchaeology — the branch of archaeology concerned with the earliest fossil remains
- paleoanthropology — the study of the origins and predecessors of the present human species, using fossils and other remains.
- paleobiogeography — the study of the distribution of ancient plants and animals and their relation to ancient geographic features.
- parallelogram law — Mathematics, Physics. a rule for adding two vectors, as forces (parallelogram of forces) by placing the point of application of one at the point of origin of the other and obtaining their sum by constructing the line connecting the two remaining end points, the sum being the diagonal of the parallelogram whose adjacent sides are the two vectors.
- passenger station — a station used by passengers
- pastoral theology — the branch of theology dealing with the responsibilities of members of the clergy to the people under their care.
- pate de foie gras — See under foie gras.
- perforation gauge — a marked ruler used to measure the number of perforations per unit length along the borders of a stamp.
- performance drugs — the drugs that are taken illegally by athletes to enhance their sporting performance
- 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.
- persona non grata — a person who is not welcome: He has become persona non grata in our club since his angry outburst.
- personnel manager — head of Human Resources department
- petit bourgeoisie — The petit bourgeoisie are people in the lower middle class.
- petite bourgeoise — a woman who belongs to the petite bourgeoisie.
- petty bourgeoisie — the section of the middle class with the lowest social status, generally composed of shopkeepers, lower clerical staff, etc
- phantom pregnancy — the occurrence of signs of pregnancy, such as enlarged abdomen and absence of menstruation, when no embryo is present, due to hormonal imbalance
- philosopher kings — the Platonic ideal of a ruler, philosophically trained and enlightened.
- phonological rule — an operation in generative phonology that substitutes one sound or class of sounds for another in a phonological derivation.
- pillion passenger — a person who travels in a seat or place behind the rider of a motorcycle, scooter, horse, etc
- pioneering spirit — a willingness to endure hardship in order to explore new places or try out new things
- pointer swizzling — swizzle