18-letter words containing c, h, i, n, u
- heimlich manoeuvre — a technique in first aid to dislodge a foreign body in a person's windpipe by applying sudden upward pressure on the upper abdomen
- helicopter gunship — military attack helicopter
- helmholtz function — the thermodynamic function of a system that is equal to its internal energy minus the product of its absolute temperature and entropy: A decrease in the function is equal to the maximum amount of work available during a reversible isothermal process.
- heuristics testing — failure-directed testing
- highbush cranberry — a shrub, Viburnum trilobum, of northern North America, having broad clusters of white flowers and edible scarlet berries.
- honeysuckle family — the plant family Caprifoliaceae, typified by shrubs and woody vines having opposite leaves, clusters of usually flaring, narrow, tubular flowers, and various types of fruit, and including the elder, honeysuckle, snowberry, twinflower, and viburnum.
- housing conditions — the physical state of houses or dwellings
- hydroxychloroquine — a colorless crystalline solid, C 18 H 26 ClN 3 O, used in the treatment of malaria, lupus erythematosus, and rheumatoid arthritis.
- hyper-intellectual — appealing to or engaging the intellect: intellectual pursuits.
- immunohistological — the microscopic study of tissues with the aid of antibodies that bind to tissue components and reveal their presence.
- immunopharmacology — the branch of pharmacology concerned with the immune system
- indecent behaviour — the offence of committing indecent acts
- industrial vehicle — a vehicle designed for use in industry
- isthmus of corinth — a narrow strip of land between the Gulf of Corinth and the Saronic Gulf: crossed by the Corinth Canal making navigation possible between the gulfs
- jack-in-the-pulpit — A North American plant, Arisaema triphyllum, of the arum family, having an upright spadix arched over by a green or striped purplish-brown spathe.
- josephson junction — a high-speed switch, used in experimental computers, that operates on the basis of a radiative phenomenon (Jo·sephson effect) exhibited by a pair of superconductors separated by a thin insulator.
- junior high school — a school attended after elementary school and usually consisting of grades seven through nine.
- keep one's chin up — the lower extremity of the face, below the mouth.
- launching ceremony — a ceremony that celebrates the launch of a ship for the first time into the water
- leave in the lurch — a situation at the close of various games in which the loser scores nothing or is far behind the opponent.
- loschmidt's number — the number of molecules in one cubic centimeter of an ideal gas at standard temperature and pressure, equal to 2.687 × 10 19.
- louisiana purchase — a treaty signed with France in 1803 by which the U.S. purchased for $15,000,000 the land extending from the Mississippi River to the Rocky Mountains and from Canada to the Gulf of Mexico.
- medium of exchange — anything generally accepted as representing a standard of value and exchangeable for goods or services.
- miniature pinscher — one of a German breed of toy dogs resembling a smaller version of the Doberman pinscher, having a flat skull, a smooth coat, erect ears, and a docked tail, bred originally as a watchdog.
- moulding technique — the technique used to shape a material into a frame or mould
- mozambique channel — a channel in SE Africa, between Mozambique and Madagascar. 950 miles (1530 km) long; 250–550 miles (400–885 km) wide.
- multimedia machine — machines that allow users to control and manipulate sound, video, text and graphics
- natural childbirth — childbirth involving little or no use of drugs or anesthesia and usually involving a program in which the mother is psychologically and physically prepared for the birth process.
- naval architecture — the science of designing ships and other waterborne craft.
- neurophysiological — the branch of physiology dealing with the functions of the nervous system.
- neuropsychodynamic — Of or pertaining to neuropsychodynamics.
- neuropsychological — Of or pertaining to neuropsychology, the relation or combination of brain and mind.
- neutrosophic logic — (logic) (Or "Smarandache logic") A generalisation of fuzzy logic based on Neutrosophy. A proposition is t true, i indeterminate, and f false, where t, i, and f are real values from the ranges T, I, F, with no restriction on T, I, F, or the sum n=t+i+f. Neutrosophic logic thus generalises: - intuitionistic logic, which supports incomplete theories (for 0
- oil of catechumens — holy oil used in baptism, the ordination of a cleric, the coronation of a sovereign, or in the consecration of a church.
- orthotungstic acid — an oxyacid acid of tungsten. Formula: H2WO4
- parachute regiment — an airborne regiment of an army
- pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
- phoenician juniper — a type of juniper that is found in the Mediterranean region
- physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
- pitch-and-run shot — chip shot.
- process scheduling — multitasking
- pseudo-anarchistic — a person who advocates or believes in anarchy or anarchism.
- publishing company — a firm which publishes books
- puerto rico trench — a depression in the ocean floor, N of Puerto Rico: includes deepest part of Atlantic Ocean, 28,374 feet (8648 meters).
- purchasing officer — the member of staff in an organization who is responsible for buying goods or products
- puss in the corner — a parlor game for children in which one player in the middle of a room tries to occupy any of the positions along the walls that become vacant as other players dash across to exchange places at a signal.
- puvis de chavannes — Puvis de [py-vee duh] /püˈvi də/ (Show IPA), Puvis de Chavannes, Pierre.
- quite the contrary — not at all, the very opposite
- roman architecture — buildings in style of ancient Rome
- rubbish collection — the collection of domestic refuse for disposal