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

  • 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
  • little namaqualand — an arid coastal region in the S part of Namibia, extending into the Cape of Good Hope province of the Republic of South Africa, divided by the Orange River into two regions, one in Namibia (Great Namaqualand) the other in South Africa (Little Namaqualand) inhabited by the Nama.
  • 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.
  • luminous emittance — luminous flux emitted per unit area.
  • luminous intensity — the luminous flux in lumens emitted per unit solid angle by a light source, measured in candles.
  • 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! + …
  • magnesium silicate — a white powder, 3MgSiO 3 ⋅5H 2 O, with variable hydration, insoluble in water or alcohol, used as a rubber filler, a bleaching agent, an odor absorbent, and in the manufacture of paints and resins.
  • major tranquilizer — antipsychotic (def 2).
  • maksutov telescope — a reflecting telescope in which coma and spherical aberration are reduced to a minimum by a combination of a spherical mirror and a meniscus lens placed inside the radius of curvature of the mirror.
  • malicious mischief — willful destruction of personal property motivated by ill will or resentment toward its owner or possessor.
  • malpighian tubules — one of a group of long, slender excretory tubules at the anterior end of the hindgut in insects and other terrestrial arthropods.
  • maximum likelihood — greatest probability
  • melt in your mouth — to require little or no chewing
  • melville peninsula — a peninsula in N Canada, SE of the Gulf of Boothia. 250 miles (405 km) long.
  • 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
  • mobile police unit — a motorized police unit
  • modelling language — (language)   Possibly a kind of programming language designed for describing models and their behaviour. See also data modelling, object relational model, simulation, UML, VRML.
  • 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
  • moulding technique — the technique used to shape a material into a frame or mould
  • mount saint helens — a city in Merseyside, in NW England, near Liverpool.
  • mousseline de soie — a thin, stiff silk or rayon fabric.
  • mozambique channel — a channel in SE Africa, between Mozambique and Madagascar. 950 miles (1530 km) long; 250–550 miles (400–885 km) wide.
  • mucopolysaccharide — (formerly) glycosaminoglycan.
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