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21-letter words containing r, h, i, n, a, l

  • enhanced oil recovery — any of several techniques that make it possible to recover more oil than can be obtained by natural pressure, such as the injection of fluid or gases into an oilfield to force more oil to the surface
  • enharmonic modulation — a change of key achieved by regarding a note in one key as an equivalent note in another. Thus E flat in the key of A flat could be regarded as D sharp in the key of B major
  • equiangular hyperbola — a hyperbola with transverse and conjugate axes equal to each other.
  • ethernet private line — (networking)   (EPL) A data service defined by the Metro Ethernet Forum, providing a point-to-point Ethernet connection between a pair of dedicated User-Network Interfaces (UNIs), with a high degree of transparency.
  • forensic anthropology — the branch of physical anthropology in which anthropological data, criteria, and techniques are used to determine the sex, age, genetic population, or parentage of skeletal or biological materials in questions of civil or criminal law.
  • full faith and credit — the obligation under Article IV of the U.S. Constitution for each state to recognize the public acts, records, and judicial proceedings of every other state.
  • fuming sulphuric acid — a mixture of pyrosulphuric acid, H2S2O7, and other condensed acids, made by dissolving sulphur trioxide in concentrated sulphuric acid
  • general of the armies — a special rank held by John J. Pershing, equivalent to general of the army.
  • give sb a green light — If someone in authority gives you a green light, they give you permission to do something.
  • guaranteed scheduling — (algorithm)   A scheduling algorithm used in multitasking operating systems that guarantees fairness by monitoring the amount of CPU time spent by each user and allocating resources accordingly.
  • heliocentric parallax — the apparent displacement of an observed object due to a change in the position of the observer.
  • help a person on with — to assist a person in the putting on of (clothes)
  • hildegard (of bingen) — Saint(1098-1179); Ger. nun, composer, & mystic: her day is Sept. 17
  • hindu-arabic numerals — Arabic numeral.
  • home improvement loan — a government loan for house improvements such as insulation, adding a bathroom, or urgent repairs
  • horizontal stabilizer — the horizontal surface, usually fixed, of an aircraft empennage, to which the elevator is hinged.
  • horizontal tabulation — (character)   (tab, Control-I, HT, ASCII 9) A character which when displayed or printed causes the following character to be placed at the next "tabstop" - the column whose number is a multiple of the current tab width. Commonly (especially in Unix(?)) the tab width is eight, so, counting from the left margin (column zero), the tab stops are at columns 8, 16, 24, up to the width of the screen or page. A tab width of four or two is often preferred when indenting program source code to conserve indentation. Represented as "\t" in C, Unix, and derivatives.
  • human papilloma virus — a species of virus that causes genital warts. Abbreviation: HPV.
  • hyperlipoproteinaemia — the condition of having an abnormally high level of lipoproteins in the blood
  • hysterosalpingography — (medicine) X-ray examination of the uterus and oviducts following injection of a radiopaque substance.
  • industrial psychology — the application of psychological principles and techniques to business and industrial problems, as in the selection of personnel or development of training programs.
  • insulin shock therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
  • interpersonal therapy — a type of psychotherapy that focuses on conflicts in one's personal relationships.
  • irish republican army — an underground Irish nationalist organization founded to work for Irish independence from Great Britain: declared illegal by the Irish government in 1936, but continues activity aimed at the unification of the Republic of Ireland and Northern Ireland. Abbreviation: IRA, I.R.A.
  • keep the ball rolling — a spherical or approximately spherical body or shape; sphere: He rolled the piece of paper into a ball.
  • laboratory technician — sb who assists in a laboratory
  • large hadron collider — a particle accelerator at the European Laboratory for Particle Physics near Geneva, containing a circular underground tunnel 27km (16.8 miles) in circumference, around which two streams of hadrons are sent in opposite directions before being brought together in a high-energy collision
  • law of thermodynamics — any of three principles variously stated in equivalent forms, being the principle that the change of energy of a thermodynamic system is equal to the heat transferred minus the work done (first law of thermodynamics) the principle that no cyclic process is possible in which heat is absorbed from a reservoir at a single temperature and converted completely into mechanical work (second law of thermodynamics) and the principle that it is impossible to reduce the temperature of a system to absolute zero in a finite number of operations (third law of thermodynamics)
  • leave sb in the lurch — If someone leaves you in the lurch, they go away or stop helping you at a very difficult time.
  • like a shag on a rock — abandoned and alone
  • linear graph notation — (LGN) A linearised representation of TCOL trees.
  • maidenhair spleenwort — an evergreen fern, Asplenium trichomanes, abundant in woody areas of the North Temperate Zone, having thickly clustered fronds.
  • main-topsail schooner — a two-masted or three-masted schooner having square topsails on the foremast and mainmast: a jackass brig or jackass bark.
  • majority shareholding — a holding of more than half a company's shares
  • mechanical instrument — a musical instrument, such as a barrel organ or music box, that plays a preselected piece of music by mechanical means
  • mechanical metallurgy — the branch of metallurgy dealing with the response of metals to applied forces.
  • mechanical solidarity — social cohesiveness that is based on shared activities, beliefs, and experiences and is characteristic of simple traditional societies.
  • mechanical weathering — any of the various weathering processes that cause physical disintegration of exposed rock without any change in the chemical composition of the rock: Collision between rock surfaces can cause mechanical weathering.
  • mengistu haile mariam — born 1937, Ethiopian political leader: head of state 1977–87; president 1987–91.
  • monochloroacetic acid — chloroacetic acid.
  • motherwell and wishaw — a burgh in the Motherwell district, in S Scotland.
  • motivational research — the application of the knowledge and techniques of the social sciences, especially psychology and sociology, to understanding consumer attitudes and behavior: used as a guide in advertising and marketing.
  • multichannel analyser — an electronic instrument, such as a pulse height analyser, that splits an input waveform into a large number of channels in accordance with a particular parameter of the input
  • nightmare file system — Pejorative hackerism for Sun's Network File System (NFS). In any nontrivial network of Suns where there is a lot of NFS cross-mounting, when one Sun goes down, the others often freeze up. Some machine tries to access the down one, and (getting no response) repeats indefinitely. This causes it to appear dead to some messages (what is actually happening is that it is locked up in what should have been a brief excursion to a higher spl level). Then another machine tries to reach either the down machine or the pseudo-down machine, and itself becomes pseudo-down. The first machine to discover the down one is now trying both to access the down one and to respond to the pseudo-down one, so it is even harder to reach. This situation snowballs very quickly, and soon the entire network of machines is frozen - worst of all, the user can't even abort the file access that started the problem! Many of NFS's problems are excused by partisans as being an inevitable result of its statelessness, which is held to be a great feature (critics, of course, call it a great misfeature). ITS partisans are apt to cite this as proof of Unix's alleged bogosity; ITS had a working NFS-like shared file system with none of these problems in the early 1970s. See also broadcast storm.
  • north atlantic treaty — the treaty (1949) signed by 12 countries, providing for the establishment of NATO.
  • northumberland strait — the part of the Gulf of St. Lawrence that separates Prince Edward Island from New Brunswick and Nova Scotia, in SE Canada. About 200 miles (320 km) long; 9–30 miles (15–48 km) wide.
  • nothing in particular — not anything specific
  • old spanish practices — irregular practices among a group of workers to gain increased financial allowances, reduced working hours, etc
  • open graphics library — (graphics, library)   (OpenGL) A multi-platform software interface to graphics hardware, supporting rendering and imaging operations. The OpenGL interface was developed by Silicon Graphics, who license it to other vendors. The OpenGL graphics interface consists of several hundred functions operating on 2D and 3D objects, supporting basic techniques, such as modelling and smooth shading, and advanced techniques, such as texture mapping and motion blur. Many operations require a frame buffer. OpenGL is network-transparent, and a common extension to the X Window System allows an OpenGL client to communicate across a network with a different vendor's OpenGL server. OpenGL is based on Silicon Graphics' proprietary IRIS GL.
  • ophthalmia neonatorum — inflammation of the eyes of a newborn child due to an infectious disease, as gonorrhea, contracted during birth from the infected mother.
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