17-letter words containing o, t, h, e, r
- nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
- 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.
- number three wood — spoon (def 5).
- omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
- on the barrelhead — upon being presented for sale; at the time of delivery
- on the front foot — at an advantage, outclassing and outmanoeuvring one's opponents
- on the home front — domestically
- on the other hand — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- on the right foot — in an auspicious manner
- on the wrong foot — in an inauspicious manner
- on the wrong tack — a short, sharp-pointed nail, usually with a flat, broad head.
- 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.
- one for the books — a handwritten or printed work of fiction or nonfiction, usually on sheets of paper fastened or bound together within covers.
- 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.
- ortho-nitrophenol — any compound derived from phenol by the replacement of one or more of its ring hydrogen atoms by the nitro group.
- other fish to fry — any of various cold-blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with scales.
- out for the count — If someone is out for the count, they are unconscious or very deeply asleep.
- 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.
- 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
- 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
- paleoanthropology — the study of the origins and predecessors of the present human species, using fossils and other remains.
- paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
- 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.
- pastoral theology — the branch of theology dealing with the responsibilities of members of the clergy to the people under their care.
- peer of the realm — any of a class of peers in Great Britain and Ireland entitled by heredity to sit in the House of Lords.
- pentachlorophenol — a white, crystalline, water-insoluble powder, C 6 Cl 5 OH, used chiefly in fungicides, disinfectants, and wood preservatives.
- perchloroethylene — tetrachloroethylene.
- 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.
- 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
- 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.
- photoreactivation — a process that repairs DNA damaged by ultraviolet light using an enzyme that requires visible light.
- phototherapeutics — the branch of therapeutics that deals with the curative use of light rays.
- platinic chloride — chloroplatinic acid.
- plymouth brethren — a religious sect founded c. 1827, strongly Puritanical in outlook and prohibiting many secular occupations for its members. It combines elements of Calvinism, Pietism, and millenarianism, and has no organized ministry
- 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.
- police helicopter — a helicopter used in police operations, for example in traffic control, or for observation
- polystyrene chips — small pieces of polystyrene used for insulating or packing
- porterhouse steak — large cut of beef loin