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20-letter words containing h, a, i, r, t, l

  • electrohydrodynamics — (physics) the study of the dynamics of electrically conducting fluid.
  • electrophysiological — Of or pertaining to electrophysiology.
  • elephant in the room — an obvious truth deliberately ignored by all parties in a situation
  • elizabeth of hungary — Saint. 1207–31, Hungarian princess who devoted herself to charity and asceticism. Feast day: Nov 17 and 19
  • environmental health — the issues dealt with by the Environmental Health Department of a local authority, such as prevention of the spread of communicable diseases, food safety and hygiene, control of infestation by insects or rodents, etc
  • epidural anaesthesia — numbing injection in the spine
  • fermentation alcohol — alcohol (def 1).
  • fermentation-alcohol — Also called ethyl alcohol, grain alcohol, ethanol, fermentation alcohol. a colorless, limpid, volatile, flammable, water-miscible liquid, C 2 H 5 OH, having an etherlike odor and pungent, burning taste, the intoxicating principle of fermented liquors, produced by yeast fermentation of certain carbohydrates, as grains, molasses, starch, or sugar, or obtained synthetically by hydration of ethylene or as a by-product of certain hydrocarbon syntheses: used chiefly as a solvent in the extraction of specific substances, in beverages, medicines, organic synthesis, lotions, tonics, colognes, rubbing compounds, as an automobile radiator antifreeze, and as a rocket fuel. Compare denatured alcohol, methyl alcohol.
  • flight data recorder — a recording device that records relevant data during an aircraft's flight
  • florence nightingale — Florence ("the Lady with the Lamp") 1820–1910, English nurse: reformer of hospital conditions and procedures; reorganizer of nurse's training programs.
  • for all one is worth — good or important enough to justify (what is specified): advice worth taking; a place worth visiting.
  • forty-ninth parallel — an informal name for the Canadian border with the USA, which is in part delineated by the parallel line of latitude at 49°N
  • fourth international — a loose federation of small groups of radical socialists formed in 1936 under the leadership of Leon Trotsky and hostile to the Soviet Union. Compare international (def 6).
  • frankfurt horizontal — Craniometry. the plane established when right and left poria and left orbitale are in the same horizontal plane.
  • freefall parachuting — a variety of parachuting in which the jumper manoeuvres in free fall before opening the parachute
  • generative phonology — a theory of phonology that uses a set of rules to derive phonetic representations from abstract underlying forms.
  • go like the clappers — to move extremely fast
  • grand right and left — a figure called in square dancing in which partners face each other, forming a small circle, and then advance around the circle by extending alternating right and left hands to pull past each new person until they reach their partners again.
  • graphics accelerator — (graphics, hardware)   Hardware (often an extra circuit board) to perform tasks such as plotting lines and surfaces in two or three dimensions, filling, shading and hidden line removal.
  • hard gelatin capsule — A hard gelatin capsule is a type of capsule that is usually used to contain medicine in the form of dry powder or very small pellets.
  • health questionnaire — A health questionnaire is a list of questions about someone's health issued by underwriters before accepting a person as a risk.
  • helicopter parenting — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
  • heston and isleworth — a former borough, now part of Hounslow, in SE England, near London.
  • heteropolysaccharide — (carbohydrate) any polysaccharide formed from two or more different kinds of monosaccharide.
  • hexafluoroantimonate — (inorganic chemistry) The anion SbF6- or any salt containing this anion; it is used as an acidic catalyst in epoxide opening reactions.
  • hierarchical routing — The complex problem of routing on large networks can be simplified by breaking a network into a hierarchy of smaller networks, where each level is responsible for its own routing. The Internet has, basically, three levels: the backbones, the mid-levels, and the stub networks. The backbones know how to route between the mid-levels, the mid-levels know how to route between the sites, and each site (being an autonomous system) knows how to route internally. See also Exterior Gateway Protocol, Interior Gateway Protocol, transit network.
  • high-energy particle — Physics
  • hipparchus satellite — an astronometric satellite launched in 1989 by the European Space Agency that measured the position, proper motion, and brightness of 118 218 stars down to 12th magnitude and the magnitude and colour of a million stars down to 10th magnitude
  • historical sociology — the sociological study of the origins and development of societies and of other social phenomena that seeks underlying laws and principles.
  • holy water sprinkler — morning star (def 2).
  • horizontal microcode — (processor)   Microcode using horizontal encoding.
  • horizontal scan rate — (hardware)   (HSR) The measure of how many scan lines of pixels a monitor can display in one second, expressed in kHz (generally somewhere between 20 and 100 kHz). The HSR is controlled by the horizontal sync signal generated by the video controller, but is limited by the speed with which the monitor can scan the electron beam horizontally across the screen and then return it to the beginning of the next line.
  • horizontally opposed — A horizontally opposed engine has the cylinders set horizontally at either side of the crankshaft.
  • hospitality industry — the hotel and accommodation industry
  • houses of parliament — In Britain, the Houses of Parliament are the British parliament, which consists of two parts, the House of Commons and the House of Lords. The buildings where the British parliament does its work are also called the Houses of Parliament.
  • hydraulic fracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
  • hydrodesulfurization — desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking.
  • hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
  • hypercholesterolemia — the presence of an excessive amount of cholesterol in the blood.
  • hyperlipoproteinemia — Pathology. any of various disorders of lipoprotein metabolism, usually characterized by abnormally high levels of cholesterol and certain lipoproteins in the blood.
  • in the lap of luxury — If you say that someone lives in the lap of luxury, you mean that they live in conditions of great comfort and wealth.
  • 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
  • java virtual machine — (language, architecture)   (JVM) A specification for software which interprets Java programs that have been compiled into byte-codes, and usually stored in a ".class" file. The JVM instruction set is stack-oriented, with variable instruction length. Unlike some other instruction sets, the JVM's supports object-oriented programming directly by including instructions for object method invocation (similar to subroutine call in other instruction sets). The JVM itself is written in C and so can be ported to run on most platforms. It needs thread support and I/O (for dynamic class loading). The Java byte-code is independent of the platform. There are also some hardware implementations of the JVM.
  • 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
  • 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.
  • light the touchpaper — to do something that will cause much anger or excitement
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