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18-letter words containing r, u, m, e, l

  • four-color problem — the problem, solved in 1976, of proving the theorem that any geographic map can be colored using only four colors so that no connected countries with a common boundary are colored the same color.
  • fulminating powder — powder that explodes by percussion.
  • gamblers anonymous — an organization that holds group meetings to help people who are addicted to gambling
  • geiger-muller tube — a tube functioning as an ionization chamber within a Geiger counter.
  • glomerulonephritis — a kidney disease affecting the capillaries of the glomeruli, characterized by albuminuria, edema, and hypertension.
  • going to jerusalem — musical chairs.
  • grumbling appendix — a condition in which the appendix causes intermittent pain but appendicitis has not developed
  • gulf stream system — a major ocean-current system consisting of the Gulf Stream and the Florida and North Atlantic currents.
  • handlebar mustache — A handlebar mustache is a long thick mustache with curled ends.
  • heart-lung machine — a device through which blood is shunted temporarily for oxygenation during surgery, while the heart or a lung is being repaired.
  • heimlich manoeuvre — a technique in first aid to dislodge a foreign body in a person's windpipe by applying sudden upward pressure on the upper abdomen
  • honourable mention — If something that you do in a competition is given an honourable mention, it receives special praise from the judges although it does not actually win a prize.
  • hydroflumethiazide — A diuretic drug.
  • hyperbilirubinemia — an abnormally high level of bilirubin in the blood, manifested by jaundice, anorexia, and malaise, occurring in association with liver disease and certain hemolytic anemias.
  • immunofluorescence — any of various techniques for detecting an antigen or antibody in a sample by coupling its specifically interactive antibody or antigen to a fluorescent compound, mixing with the sample, and observing the reaction under an ultraviolet-light microscope.
  • in terrorem clause — a clause in a will stating that a beneficiary who contests the will shall lose his or her legacy.
  • incommensurability — not commensurable; having no common basis, measure, or standard of comparison.
  • incremental backup — (operating system)   A kind of backup that copies all files which have changed since the date of the previous backup. The first backup of a file system should include all files - a "full backup". Call this level 0. The next backup could also be a full level 0 backup but it is usually much quicker to do a level 1 backup which will include only those files which have changed since the level 0 backup. Together the level 0 and level 1 backups will include the latest version of every file. Level 1 backups can be made until, say, the backup tape is nearly full, after which we can switch to level 2. Each level includes those files which have changed since the last backup at a lower level. The more levels you use, the longer it will take to restore the latest version of a file (or all files) if you don't know when it was last modified. Compare differential backup.
  • informatory double — a double intended to inform one's partner that one has a strong hand and to urge a bid regardless of the strength of his or her hand.
  • instrument landing — an aircraft landing accomplished by use of gauges on the instrument panel and ground-based radio equipment, with limited reference to outside visual signals.
  • insurance salesman — male: sells insurance
  • interior monologue — Literature. a form of stream-of-consciousness writing that represents the inner thoughts of a character.
  • involuntary muscle — muscle: contracts involuntarily
  • jerusalem syndrome — a delusive condition affecting some visitors to Jerusalem in which the sufferer identifies with a major figure from his or her religious background
  • launching ceremony — a ceremony that celebrates the launch of a ship for the first time into the water
  • lean manufacturing — efficiency in the production of goods
  • limburger (cheese) — a semisoft cheese of whole milk, with a strong odor and flavor, made originally in Limburg, Belgium
  • literae humaniores — (at Oxford University) the faculty concerned with Greek and Latin literature, ancient history, and philosophy; classics
  • 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.
  • maclaurin's series — an infinite sum giving the value of a function f(x) in terms of the derivatives of the function evaluated at zero: f(x) = f(0) + (f′(0)x)/1! + (f″(0)x2)/2! + …
  • major tranquilizer — antipsychotic (def 2).
  • melt in your mouth — to require little or no chewing
  • mercurous chloride — calomel.
  • mercury delay line — (storage, history)   An archaic first-in first-out fixed time period data storage device using acoustic transducers to transmit data as waves in a trough or tube of mercury. EDSAC (Cambridge) and UNIVAC I used delay lines.
  • mercury-vapor lamp — a lamp producing a light with a high actinic and ultraviolet content by means of an electric arc in mercury vapor.
  • mergui archipelago — a group of over 200 islands in the Andaman Sea, off the Tenasserim coast of S Myanmar: mountainous and forested
  • meurthe-et-moselle — a department in NE France. 2038 sq. mi. (5280 sq. km). Capital: Nancy.
  • microencapsulation — the process of enclosing chemical substances in microcapsules.
  • middleburg heights — a town in N Ohio.
  • milkweed butterfly — monarch butterfly.
  • mineral supplement — a pill containing minerals that you take to improve your health
  • minor tranquilizer — antianxiety drug.
  • 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).
  • molecular genetics — a subdivision of genetics concerned with the structure and function of genes at the molecular level.
  • molecular medicine — the study of disease or injury at the molecular or cellular level.
  • molecular spectrum — the spectrum of light emitted or absorbed by a species of molecule.
  • 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)
  • mosquito repellent — a chemical substance, such as a spray or lotion, applied to the body to prevent mosquitoes biting
  • mucopolysaccharide — (formerly) glycosaminoglycan.
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