20-letter words containing t, h, r, o, n
- indicated horsepower — the horsepower of a reciprocating engine as shown by an indicator record. Abbreviation: ihp, IHP.
- information exchange — discussion that involves exchanging ideas and knowledge
- infrared photography — photography using film with an emulsion that is sensitive to infrared light, enabling it to be used in misty weather, in darkened interiors, or at night. It has applications in aerial surveys, the detection of forgeries, etc
- instruction prefetch — (architecture) A technique which attempts to minimise the time a processor spends waiting for instructions to be fetched from memory. Instructions following the one currently being executed are loaded into a prefetch queue when the processor's external bus is otherwise idle. If the processor executes a branch instruction or receives an interrupt then the queue must be flushed and reloaded from the new address. Instruction prefetch is often combined with pipelining in an attempt to keep the pipeline busy. By 1995 most processors used prefetching, e.g. Motorola 680x0, Intel 80x86.
- insulin-coma therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
- internal hemorrhoids — Usually, hemorrhoids. Pathology. an abnormally enlarged vein mainly due to a persistent increase in venous pressure, occurring inside the anal sphincter of the rectum and beneath the mucous membrane (internal hemorrhoid) or outside the anal sphincter and beneath the surface of the anal skin (external hemorrhoid)
- international gothic — a style of Gothic art, especially painting, developed in Europe in the late 14th and early 15th centuries, chiefly characterized by details carefully delineated in a naturalistic manner, elongated and delicately modeled forms, the use of complex perspective, and an emphasis on the decorative or ornamental aspect of drapery, foliage, or setting.
- interpersonal theory — the theory that personality development and behavior disorders are related to and determined by relationships between persons.
- islets of langerhans — biology: pancreatic cells
- isochronous transfer — isochronous
- j robert oppenheimer — J(ulius) Robert, 1904–67, U.S. nuclear physicist.
- john o'groat's house — the northern tip of Scotland, near Duncansby Head, NE Caithness, traditionally thought of as the northernmost point of Britain: from Land's End to John o'Groat's House.
- jordan curve theorem — the theorem that the complement of a simple closed curve can be expressed as the union of two disjoint sets, each having as boundary the given curve.
- junior featherweight — a boxer weighing up to 122 pounds (54.9 kg), between bantamweight and featherweight.
- keep a tight rein on — to control carefully; limit
- knight of the garter — a knight who belongs to the Order of the Garter
- knights hospitallers — a military religious order founded about the time of the first crusade (1096–99) among European crusaders. It took its name from a hospital and hostel in Jerusalem
- knock the tar out of — any of various dark-colored viscid products obtained by the destructive distillation of certain organic substances, as coal or wood.
- know all the answers — be opinionated
- life-support machine — A life-support machine is the equipment that is used to keep a person alive when they are very ill and cannot breathe without help.
- linguistic geography — dialect geography.
- llywelyn ap iorwerth — called Llywelyn the Great. died 1240, prince of Gwynedd, N Wales (1194–1238), who extended his rule over most of Wales
- logarithmic function — a function defined by y = log bx, especially when the base, b, is equal to e, the base of natural logarithms.
- lonely hearts column — the part of a newspaper or magazine where lonely hearts ads appear
- lump in one's throat — the passage from the mouth to the stomach or to the lungs, including the pharynx, esophagus, larynx, and trachea.
- lutherville-timonium — a city in N Maryland, near Baltimore.
- lymphogranulomatosis — widespread infectious granuloma of the lymphatic system.
- magnetoencephalogram — a record of the magnetic field of the brain. Abbreviation: MEG.
- magnetohydrodynamics — the branch of physics that deals with the motion of electrically conductive fluids, especially plasmas, in magnetic fields. Abbreviation: MHD.
- make head (n)or tail — If you say that you cannot make head nor tail of something or you cannot make head or tail of it, you are emphasizing that you cannot understand it at all.
- mannitol hexanitrate — a colorless, crystalline, water-insoluble, explosive solid, C 6 H 8 N 6 O 1 8 , used as a fulminating agent in percussion caps and in the treatment of hypertension and coronary insufficiency.
- measure one's length — to fall, lie, or be thrown down at full length
- membranous labyrinth — an intricate combination of paths or passages in which it is difficult to find one's way or to reach the exit. Synonyms: maze, network, web.
- meta-dichlorobenzene — a colorless liquid, C 6 H 4 Cl 2 , soluble in alcohol and ether: used as a fumigant and insecticide.
- methyl propyl ketone — a colorless, slightly water-soluble liquid, C 5 H 1 0 O, used chiefly as a solvent, especially in lacquers.
- methyl styryl ketone — benzylidene acetone.
- mischaracterizations — Plural form of mischaracterization.
- moreton bay chestnut — an Australian leguminous tree, Castanospermum australe, having thin smooth bark and yellow or reddish flowers: used in furniture manufacture
- multistep hydroplane — a motorship having a flat bottom built as a series of planes inclined forward, the ship planing on each from stem to stern as its speed increases.
- near someone's heart — dear or important to someone
- neuropsychiatrically — In terms of neuropsychiatry.
- night storage heater — a heater or radiator that stores heat at night-time because electricity is cheaper
- nondirective therapy — client-centered therapy.
- north american plate — a major tectonic division of the earth's crust, comprising Greenland and the continent of North America and the suboceanic Labrador and North American Basins, and bounded on the east by the Mid-Atlantic Ridge, on the south by the Caribbean and South American Plates, and on the west by the San Andreas fault and Aleutian Trench.
- north atlantic drift — an ocean current flowing NE toward the British Isles, formed by the convergence of the Gulf Stream and the Labrador Current SE of Newfoundland.
- north canadian river — a river in NE New Mexico, E Texas, and E Oklahoma, flowing SE to the Canadian River. 760 miles (1223 km) long.
- north celestial pole — the point of intersection of the earth's extended axis and the northern half of the celestial sphere, lying about 1° from Polaris
- north richland hills — a town in N Texas.
- north temperate zone — the part of the earth's surface between the tropic of Cancer and the Arctic Circle.
- northern leaf blight — a disease of corn caused by the fungus Exsherohilum turcicum, characterized by elongate tan-gray elliptical spots with subsequent blighting and necrosis of leaves.