17-letter words containing o, h, r, i
- nicholas bourbaki — the pseudonym of a group of mainly French mathematicians that, since 1939, has been producing a monumental work on advanced mathematics, Eléments de Mathématique
- nitrohydrochloric — (chemistry) Of, pertaining to, or containing, nitric acid and hydrochloric acids.
- nitroxanthic acid — picric acid.
- non-authoritarian — favoring complete obedience or subjection to authority as opposed to individual freedom: authoritarian principles; authoritarian attitudes.
- non-authoritative — having due authority; having the sanction or weight of authority: an authoritative opinion.
- non-comprehension — the act or process of comprehending.
- non-thermoplastic — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- nonalcoholic beer — Nonalcoholic beer is beer that does not contain any alcohol.
- nonstoichiometric — (of a solid compound) having a composition in which the ratio of the atoms present is not a simple integer
- north frigid zone — the part of the earth's surface between the Arctic Circle and the North Pole.
- north lanarkshire — a council area of central Scotland: consists mainly of the NE part of the historical county of Lanarkshire; formerly (1974–96) part of Strathclyde Region: engineering and metalworking industries. Administrative centre: Motherwell. Pop: 321 820 (2003 est). Area: 1771 sq km (684 sq miles)
- north little rock — a city in central Arkansas, on the Arkansas River.
- north miami beach — a city in SE Florida.
- northern bobwhite — any of several American quail of the genus Colinus, especially C. virginianus (northern bobwhite) having mottled reddish-brown, black, and white plumage.
- 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.
- northern rhodesia — former name of Zambia.
- northern studfish — See under studfish.
- 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.
- oceanographically — In terms of oceanography.
- old south arabian — a group of four closely related Semitic languages, having a writing system and used from about the eighth to the fifth centuries b.c. in the southern part of Arabia.
- 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 the right foot — in an auspicious manner
- on-the-job injury — On-the-job injury is bodily harm that is caused while you are doing your job.
- 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.
- operating theatre — An operating theatre is a special room in a hospital where surgeons carry out medical operations.
- opisthobranchiate — (zoology) Of or pertaining to the Opisthobranchiata.
- 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
- orifice discharge — Orifice discharge is a model for calculating how quickly a fluid will come out of a punctured vessel or pipe.
- ortho-nitrophenol — any compound derived from phenol by the replacement of one or more of its ring hydrogen atoms by the nitro group.
- 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.
- orthovanadic acid — an oxyacid of vanadium, known chiefly in the form of its vanadate salts. Formula: H3VO4
- other fish to fry — any of various cold-blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with scales.
- out of this world — the earth or globe, considered as a planet.
- 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
- pacific northwest — the region of North America lying north of the Columbia River and west of the Rockies
- pair annihilation — Physics. annihilation (def 3a).
- 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.
- parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
- parathyroidectomy — the excision of a parathyroid gland.
- 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.
- pathological liar — a person who tells lies frequently, with no rational motive for doing so.
- patriarchal cross — a Latin cross having a shorter crosspiece above the customary one.