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17-letter words containing i, p, r

  • nonrepresentative — a person or thing that represents another or others.
  • noun pre-modifier — a noun that occurs before and modifies another noun, as toy in toy store or tour in tour group.
  • oceanographically — In terms of oceanography.
  • oil of turpentine — a colorless, flammable, volatile essential oil having a penetrating odor and a pungent, bitter taste, obtained from turpentine oleoresin by distillation: used in paints and varnishes, and in medicine as a carminative, vermifuge, expectorant, rubefacient, and, formerly, as a diuretic.
  • old age pensioner — An old age pensioner is a person who is old enough to receive an pension from their employer or the government.
  • old spanish trail — an overland route from Santa Fe, N. Mex., to Los Angeles, Calif., first marked out in 1776 by Spanish explorers and missionaries.
  • omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
  • 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
  • one-parent family — A one-parent family is a family that consists of one parent and his or her children living together.
  • one-time password — (security)   (OTP) A security system that requires a new password every time a user authenticates themselves, thus protecting against an intruder replaying an intercepted password. OTP generates passwords using either the MD4 or MD5 hashing algorithms. The equivalent term "S/Key", developed by Bellcore, is a trademark of Telcordia Technologies, so the name OTP is used increasingly. See RFC 1760 - "The S/KEY One-Time Password System" and RFC 1938 - "A One-Time Password System".
  • 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.
  • operation sealion — the codename for Hitler's proposed invasion (1940) of Great Britain
  • operations centre — a centre where activities of a business, organization, etc, are administrated and take place
  • opisthobranchiate — (zoology) Of or pertaining to the Opisthobranchiata.
  • opportunistically — adhering to a policy of opportunism; practicing opportunism.
  • optical astronomy — the branch of observational astronomy using telescopes to observe or photograph celestial objects in visible light.
  • optical carrier 3 — (networking)   (OC-3) A SONET rate of 3 * 51.84 = 155.52 megabits per second, which matches STS-3.
  • optical carrier n — (networking)   (OC-n) A SONET rate of n times 51.84 megabits per second.
  • optical isomerism — stereoisomerism in which the isomers are identical in molecular weight and most chemical and physical properties but differ in their effect on the rotation of polarized light.
  • 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.
  • ortho-nitrophenol — any compound derived from phenol by the replacement of one or more of its ring hydrogen atoms by the nitro group.
  • out of proportion — exaggerated, excessive
  • over-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
  • over-compensation — a pronounced striving to neutralize and conceal a strong but unacceptable character trait by substituting for it an opposite trait.
  • pacific northwest — the region of North America lying north of the Columbia River and west of the Rockies
  • pacific tree frog — a common terrestrial frog, Hyla regilla, of western North America, having a dark stripe along each side of the head.
  • painted greenling — a greenling, Oxylebius pictus, inhabiting the Pacific coastal waters of North America, having a whitish body marked with black bands.
  • pair annihilation — Physics. annihilation (def 3a).
  • pair of compasses — compass (def 7)
  • palace revolution — a challenge to or overthrow of a sovereign or other leader by members of the ruling family or group.
  • paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
  • paleobiogeography — the study of the distribution of ancient plants and animals and their relation to ancient geographic features.
  • paleoconservative — a person advocating an older, traditional type of conservatism, especially in politics.
  • pan potentiometer — a control on a stereo sound mixing desk by means of which the relative levels in right- and left-hand channels can be adjusted and hence the apparent position of the recorded or broadcast sound source within the stereo panorama can be controlled
  • paradise regained — an epic poem (1671) by John Milton.
  • paradoxical sleep — REM sleep.
  • parallel universe — Physics. any of a hypothetical collection of undetectable universes that are like our known universe but have branched off from our universe due to a quantum-level event. See also multiverse.
  • paralysis agitans — Parkinson's disease
  • paraperiodic acid — the crystalline compound H5IO6, an oxyacid of iodine
  • parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
  • parathyroidectomy — the excision of a parathyroid gland.
  • paratungstic acid — an oxyacid acid of tungsten. Formula: H10W12O14
  • paratyphoid fever — Also called paratyphoid fever. an infectious disease, similar in some of its symptoms to typhoid fever but usually milder, caused by any of several bacilli of the genus Salmonella other than S. typhi.
  • parking attendant — a person who works for a traffic control agency and who issues tickets for parking violations
  • parliamentary law — the body of rules, usages, and precedents that governs proceedings of legislative and deliberative assemblies.
  • parted per tierce — tierced.
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