17-letter words containing s, t, h, r
- 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 rhodesia — former name of Zambia.
- northern sporades — a group of Greek islands in the Aegean, lying northeast of Euboea
- northern studfish — See under studfish.
- northwest by west — a point on the compass, 11°15′ west of northwest. Abbreviation: NWbW.
- northwest passage — a ship route along the Arctic coast of Canada and Alaska, joining the Atlantic and Pacific oceans.
- nuclear chemistry — the branch of chemistry concerned with nuclear reactions
- nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
- 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.
- one for the books — a handwritten or printed work of fiction or nonfiction, usually on sheets of paper fastened or bound together within covers.
- 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.
- 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 harm's way — If someone or something is out of harm's way, they are in a safe place away from danger or from the possibility of being damaged.
- out of this world — the earth or globe, considered as a planet.
- overhead camshaft — a camshaft in an automotive engine that is located in the cylinder head over the engine block rather than in the block. Abbreviation: OHC.
- overnight success — sth or sb suddenly popular
- overstep the mark — If someone oversteps the mark, they behave in a way that is considered unacceptable.
- oystershell scale — a scale insect, Lepidosaphes ulmi, having a scale shaped like the shell of an oyster, which infests various deciduous trees and shrubs.
- pacific northwest — the region of North America lying north of the Columbia River and west of the Rockies
- paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
- partially sighted — unable to see properly so that even with corrective aids normal activities are prevented or seriously hindered
- past life therapy — a form of hypnosis or meditation based on the belief that an individual's present problems are rooted in events that occurred before birth in this life
- pastoral symphony — the Symphony No. 6 in F major (1807–08) by Ludwig van Beethoven.
- pastoral theology — the branch of theology dealing with the responsibilities of members of the clergy to the people under their care.
- patriarchal cross — a Latin cross having a shorter crosspiece above the customary one.
- perpetual spinach — a variety of spinach that keeps producing edible leaves
- personality clash — friction between two people who have different personalities or points of view
- perth and kinross — a council area of N central Scotland, corresponding mainly to the historical counties of Perthshire and Kinross-shire: part of Tayside Region from 1975 until 1996: chiefly mountainous, with agriculture, tourism, and forestry. Administrative centre: Perth. Pop: 135 990 (2003 est). Area: 5321 sq km (2019 sq miles)
- petrarchan sonnet — a sonnet form popularized by Petrarch, consisting of an octave with the rhyme scheme abbaabba and of a sestet with one of several rhyme schemes, as cdecde or cdcdcd.
- phlebotomus fever — sandfly fever.
- photo-respiration — the oxidation of carbohydrates in many higher plants in which they get oxygen from light and then release carbon dioxide, somewhat different from photosynthesis.
- phototherapeutics — the branch of therapeutics that deals with the curative use of light rays.
- physical training — fitness coaching
- plug and feathers — an apparatus for splitting stone, consisting of two tapered bars (feathers) inserted into a hole drilled into the stone, between which a narrow wedge (plug) is hammered to spread them.
- point of purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
- point-of-purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
- polystyrene chips — small pieces of polystyrene used for insulating or packing
- porterhouse steak — large cut of beef loin
- preferential shop — a shop in which union members are preferred, usually by agreement of an employer with a union.
- private ownership — the fact of being owned by a private individual or organization, rather than by the state or a public body
- protein synthesis — the process by which amino acids are linearly arranged into proteins through the involvement of ribosomal RNA, transfer RNA, messenger RNA, and various enzymes.
- pseudo-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- psychometric test — a test designed to test a person's mental state, personality and thought processes
- psychotherapeutic — psychotherapy.
- push-pull circuit — a circuit using two similar electronic devices, such as matched valves, made to operate 180° out of phase with each other
- put the screws on — a metal fastener having a tapered shank with a helical thread, and topped with a slotted head, driven into wood or the like by rotating, especially by means of a screwdriver.