17-letter words containing p, i, r, o, g
- lymphangiographic — Relating to lymphangiography.
- 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
- 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.
- microphotographic — Relating to microphotography.
- 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.
- 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-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.
- 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
- 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.
- 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 psychosis — a severe mental illness produced by damage to the brain, as a result of poisoning, alcoholism, disease, etc
- 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.
- paleobiogeography — the study of the distribution of ancient plants and animals and their relation to ancient geographic features.
- parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
- passenger station — a station used by passengers
- pate de foie gras — See under foie gras.
- pathological liar — a person who tells lies frequently, with no rational motive for doing so.
- 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.
- 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
- pharmacologically — the science dealing with the preparation, uses, and especially the effects of drugs.
- 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
- pitching rotation — the regular, scheduled succession of starting pitchers designated by a manager: a four-man pitching rotation in September.
- pointer swizzling — swizzle
- poison-arrow frog — a small, bright-colored terrestrial frog of the family Dendrobatidae, of Central and South American rain forests, that secretes a virulent poison from its skin, once used on the tips of Indian hunting arrows.
- polarizing filter — a camera lens filter used to control the plane of polarization of light entering the lens.
- political refugee — a person who has fled from a homeland because of political persecution.
- portfolio manager — a person employed by others to make investments for them
- portuguese guinea — former name of Guinea-Bissau.
- postural drainage — a therapy for clearing congested lungs by placing the patient in a position for drainage by gravity, often accompanied by percussion with hollowed hands.