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20-letter words containing a, h, i, g

  • huntington's disease — a hereditary disease of the central nervous system characterized by brain deterioration and loss of control over voluntary movements, the symptoms usually appearing in the fourth decade of life.
  • 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.
  • hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
  • indistinguishability — The state of being indistinguishable.
  • 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
  • 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.
  • islets of langerhans — biology: pancreatic cells
  • junior featherweight — a boxer weighing up to 122 pounds (54.9 kg), between bantamweight and featherweight.
  • keep a straight face — look serious, avoid smiling
  • keep a tight rein on — to control carefully; limit
  • king charles spaniel — a variety of the English toy spaniel having a black-and-tan coat.
  • kingston upon thames — a borough of Greater London, England.
  • 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
  • light the touchpaper — to do something that will cause much anger or excitement
  • linguistic geography — dialect geography.
  • logarithmic function — a function defined by y = log bx, especially when the base, b, is equal to e, the base of natural logarithms.
  • lord high chancellor — the highest judicial officer of the British crown: law adviser of the ministry, keeper of the great seal, presiding officer in the House of Lords, etc.
  • lou gehrig's disease — amyotrophic lateral sclerosis.
  • lymphogranulomatosis — widespread infectious granuloma of the lymphatic system.
  • magdeburg hemisphere — one of a pair of hemispherical cups from which air can be evacuated when they are placed together: used to demonstrate the force of air pressure.
  • magnetohydrodynamics — the branch of physics that deals with the motion of electrically conductive fluids, especially plasmas, in magnetic fields. Abbreviation: MHD.
  • mail exchange record — (messaging)   (MX Record) A DNS resource record type that says which SMTP server handles electronic mail for a particular domain. E.g. the MX record foo.co.uk. 1054 IN MX 10 mail.foo.co.uk. means that mail for an address like "[email protected]" should be sent to "mail.foo.co.uk". There can be several servers for a domain. The "10" is a priority - the server with the lowest number will be tried first.
  • malpighian corpuscle — Also called kidney corpuscle, Malpighian body. the structure at the beginning of a vertebrate nephron, consisting of a glomerulus and its surrounding Bowman's capsule.
  • matched-pairs design — (of an experiment) concerned with measuring the values of the dependent variables for pairs of subjects that have been matched to eliminate individual differences and that are respectively subjected to the control and the experimental condition
  • mean something to sb — If a name, word, or phrase means something to you, you have heard it before and you know what it refers to.
  • mechanical advantage — the ratio of output force to the input force applied to a mechanism.
  • neighbourhood warden — a person employed by a local authority to patrol residential areas and deal with antisocial behaviour
  • nephroangiosclerosis — (pathology) sclerosis of the renal arterioles.
  • neurophysiologically — In terms of, or with regard to, neurophysiology.
  • neuropsychologically — In terms of or by means of neuropsychology.
  • night storage heater — a heater or radiator that stores heat at night-time because electricity is cheaper
  • no lack of something — If you say there is no lack of something, you are emphasizing that there is a great deal of it.
  • 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.
  • ode to a nightingale — a poem (1819) by Keats.
  • off-the-job training — training which is carried out away from your normal place of work
  • officer of the guard — an officer, acting under the officer of the day, who is responsible for the instruction, discipline, and performance of duty of the guard in a post, camp, or station. Abbreviation: OG, O.G.
  • on the drawing board — in the planning stage
  • orthognathic surgery — the surgical correction of deformities or malpositions of the jaw.
  • pan-american highway — a road system proposed in the 1920s linking nations of the Western Hemisphere, extending from Alaska to Santiago, Chile, with some gaps remaining in Panama and Colombia. The section between Nuevo Laredo, Mexico and Panama City is known as the Inter-American Highway Total length about 16,000 miles (25,744 km).
  • patagonian toothfish — a large food fish, Dissostichus eleginoides, found in the cold deep waters of the southern Atlantic and Indian oceans
  • perpendicular gothic — the style of Gothic architecture in England during the 14th and 15th centuries, characterized by tracery having vertical lines, a four-centred arch, and fan vaulting
  • photogelatin process — collotype (def 1).
  • phthalocyanine green — a pigment used in painting, derived from chlorinated copper phthalocyanine and characterized chiefly by its intense green color and permanence.
  • physical meteorology — the branch of meteorology dealing with the study of optical, electrical, acoustical, and thermodynamic phenomena in the atmosphere, including the physics of clouds and precipitation.
  • physiologic jaundice — a transitory jaundice that affects some infants for the first few days after birth.
  • physiological saline — a salt solution that has the same osmotic pressure as that found in the blood or tissues
  • poor man's something — a (cheaper) substitute for something
  • portrait photography — the activity or art of taking portrait photos
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