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18-letter words containing d, r, o, i, l

  • liquid distributor — A liquid distributor is a device which is used to spread liquid when it enters a packed column (= a tall vessel with packing, used for separating substances).
  • locked-in syndrome — a condition in which a person is conscious but unable to move any part of the body except the eyes: results from damage to the brainstem
  • logarithmus dualis — (mathematics)   (ld) Latin for logarithm base two. More commonly written as "log" with a subscript "2". Roughly the number of bits required to represent an integer.
  • long hundredweight — a hundredweight of 112 pounds (50.8 kg), the usual hundredweight in Great Britain, but now rare in the U.S.
  • lord chief justice — the presiding judge of Britain's High Court of Justice, the superior court of record for both criminal and civil cases.
  • 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.
  • lyophilized powder — Lyophilized powder is a freeze-dried powder.
  • maison-de-molieres — Comédie Française.
  • mandelbrot, benoit — Benoit Mandelbrot
  • marsilius of padua — c1280–1343? Italian scholar and political theorist.
  • medical dictionary — a specialized dictionary covering terms used in the health professions by doctors, nurses, and others involved in allied health care services. A dictionary with authoritative spellings and definitions is a particularly crucial resource in medicine, where a misspelling or misunderstanding can have unfortunate consequences for people under care. Print dictionaries in this field may be sorted alphabetically or may be categorized according to medical specializations or by the various systems in the body, as the immune system and the respiratory system. The online Medical Dictionary on Dictionary.com allows alphabetical browsing in the combined electronic versions of more than one authoritative medical reference, insuring access to correct spellings, as well as immediate, direct access to a known search term typed into the search box on the site: A medical dictionary reveals that large numbers of medical terms are formed from the same Latin and Greek parts combined and recombined.
  • medical profession — the body of people who work as doctors of medicine
  • mental retardation — Usually Offensive. a developmental disorder characterized in varying degrees by a subnormal ability to learn, a substantially low IQ, and impaired social adjustment.
  • mercurous chloride — calomel.
  • metabolic syndrome — Pathology. a group of medical conditions present simultaneously in a patient, as high blood pressure, low HDL cholesterol levels, and an excess of abdominal fat, that increases a person's risk of heart disease, stroke, and diabetes. Also called insulin resistance syndrome.
  • methylene chloride — a colorless, volatile liquid, CH 2 Cl 2 , used chiefly as a solvent, as a refrigerant, and as a local anesthetic in dentistry.
  • methylprednisolone — A synthetic glucocorticoid drug, with chemical formula C22H30O5.
  • microsloth windows — (abuse, operating system)   /mi:'kroh-sloth" win"dohz/ (Or "Windoze", /win'dohz/) A derogatory term for Microsoft Windows which is so limited by bug-for-bug compatibility with mess-dos that it is agonisingly slow on anything less than a fast 486. Also called just "Windoze", with the implication that you can fall asleep waiting for it to do anything; the latter term is extremely common on Usenet. Compare X, sun-stools.
  • middle common room — (in certain universities and colleges) a common room for the use of postgraduate students
  • middle-of-the-road — favoring, following, or characterized by an intermediate position between two extremes, especially in politics; moderate.
  • mineralocorticoids — Plural form of mineralocorticoid.
  • misplaced modifier — Grammar. a word, phrase, or clause that seems to refer to or modify an unintended word because of its placement in a sentence, as when young in When young, circuses appeal to all of us.
  • mixed-flow turbine — a water turbine in which water flows radially and axially through the rotating vanes
  • modular arithmetic — arithmetic in which numbers that are congruent modulo a given number are treated as the same. Compare congruence (def 2), modulo, modulus (def 2b).
  • modulus of torsion — a coefficient of elasticity of a substance, expressing the ratio between the force per unit area (shearing stress) that laterally deforms the substance and the shear (shearing strain) that is produced by this force.
  • molecular medicine — the study of disease or injury at the molecular or cellular level.
  • mordovian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
  • mucopolysaccharide — (formerly) glycosaminoglycan.
  • multi-user dungeon — Multi-User Dimension
  • national guardsman — guardsman (def 2).
  • needle-nose pliers — long thin pliers
  • neuroendocrinology — the study of the anatomical and physiological interactions between the nervous and endocrine systems.
  • new zealand on air — the operational name for the New Zealand Broadcasting Commission
  • nonstriated muscle — smooth muscle
  • nord-pas-de-calais — a region of N France, on the Straits of Dover (the Pas de Calais): coal-mining, textile, and metallurgical industries
  • normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
  • norwegian elkhound — one of a breed of dogs having a short, compact body, short, pointed ears, and a thick, gray coat, raised originally in Norway for hunting elk and other game.
  • old curiosity shop — a novel (1840–41) by Dickens.
  • old low franconian — a Low German dialect of the Franks of the lower Rhine valley before c1100.
  • on delicate ground — in a situation requiring tact
  • on the danger list — critically ill in hospital
  • operation overlord — the codename for the Allied invasion (June 1944) of northern France
  • optical disc drive — optical disk drive
  • optical disk drive — (hardware)   (Or "optical disc drive", "optical storage") A generic term for any device that reads and/or writes optical media, i.e. compact discs, DVDs and/or Blu-ray discs or future media that uses light (from a small laser) to read data off a removable, rotating disk. At least one such drive is commonly installed in most personal computers to allow them to play and/or record audio and video media and load and store data such as program installers. The floppy disk has been replaced by optical media due to its vastly greater capacity, e.g. 50,000 megabytes for a dual-layer blu-ray disc compared with 1.5 megabytes for a floppy (over 30,000 times as much).
  • optical soundtrack — the final soundtrack on a motion picture, which appears as a band of black and white serrations along a strip of film to the left of the composite print. Light is shined through the serrations and is converted to audible sound.
  • order of australia — an order awarded to Australians for outstanding achievement or for service to Australia or to humanity at large; established in 1975
  • organic solidarity — social cohesiveness that is based on division of labor and interdependence and is characteristic of complex, industrial societies.
  • organized religion — institutionalized religion, usually with a hierarchical clergy and rules to govern the means by which adherents participate
  • oriental almandine — a variety of corundum resembling almandine in colour and used as a gemstone
  • orthophthalic acid — Chemistry. any of three isomeric acids having the formula C 8 H 6 O 4 , especially the ortho isomer (orthophthalic acid) a colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume.
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