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18-letter words containing l, i, t, s

  • local examinations — (in the UK) any of various examinations, such as the GCE, set by university boards and conducted in local centres, schools, etc
  • locally finite set — a collection of sets in a topological space in which each point of the space has a neighborhood that intersects a finite number of sets of the collection.
  • logarithmic spiral — log r = aθ
  • 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.
  • logical positivism — a philosophical movement that stresses the function of philosophy as a method of criticizing and analyzing science and that rejects all transcendental metaphysics, statements of fact being held to be meaningful only if they have verifiable consequences in experience and in statements of logic, mathematics, or philosophy itself, and with such statements of fact deriving their validity from the rules of language.
  • logical positivist — an exponent or follower of logical positivism
  • logical shift left — logical shift
  • long-distance call — phone call: not local area
  • loosestrife family — the plant family Lythraceae, characterized by herbaceous plants, shrubs, and trees having usually opposite or whorled, simple leaves, clusters of flowers, and fruit in the form of a capsule, and including the crape myrtle, loosestrifes of the genus Lythrum, and the henna shrub.
  • 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.
  • 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.
  • 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.
  • magnetocrystalline — (physics) Describing the interaction between the magnetization and the crystal structure of a material.
  • malpighian tubules — one of a group of long, slender excretory tubules at the anterior end of the hindgut in insects and other terrestrial arthropods.
  • margaret of valois — ("Queen Margot") 1533–1615, 1st wife of Henry IV of France: queen of Navarre; patron of science and literature (daughter of Henry II of France and Catherine de' Medici).
  • materials handling — the loading, unloading, and movement of goods, as within a factory or warehouse, especially by the aid of mechanical devices.
  • maternity hospital — birthing facility
  • matthias schleiden — Matthias Jakob [mah-tee-ahs yah-kawp] /mɑˈti ɑs ˈyɑ kɔp/ (Show IPA), 1804–81, German botanist.
  • mechanical testing — Mechanical testing is the testing of a material to find out its mechanical properties, for example its yield strength or hardness.
  • median lethal dose — the quantity of a lethal substance, as a poison or pathogen, or of ionizing radiation that will kill 50 percent of the organisms subjected to it in a specified time period. Symbol: LD 5 0.
  • mendel's first law — the principle, originated by Gregor Mendel, stating that during the production of gametes the two copies of each hereditary factor segregate so that offspring acquire one factor from each parent.
  • mental reservation — an unexpressed doubt or qualification about a situation, person, etc.
  • menthol cigarettes — cigarettes that are flavoured with menthol
  • 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.
  • methacrylate resin — an acrylic resin formed by polymerizing the esters or amides of methacrylic acid.
  • methylated spirits — ethyl alcohol denatured with methyl alcohol for the purpose of preventing its use as an alcoholic beverage.
  • methylprednisolone — A synthetic glucocorticoid drug, with chemical formula C22H30O5.
  • microcrystallinity — The condition of being microcrystalline.
  • microencapsulation — the process of enclosing chemical substances in microcapsules.
  • micrometeorologist — a person who specializes in micrometeorology
  • 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.
  • middleburg heights — a town in N Ohio.
  • mineral supplement — a pill containing minerals that you take to improve your health
  • mineralocorticoids — Plural form of mineralocorticoid.
  • minister of health — a person appointed to head the government department of health
  • mission controller — a person who works as part of a mission control
  • mission specialist — the crew member of a space shuttle who is assigned primary responsibility for carrying out operations related to the payload of the shuttle.
  • mixed martial arts — Mixed martial arts is a sport in which two people fight by hitting, kicking, and holding each other, both in a standing position and on the ground.
  • mobile data system — a system consisting of a client computer requesting information and a server supplying this information
  • moccasin telegraph — the transmission of rumour or secret information; the grapevine
  • 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 genetics — a subdivision of genetics concerned with the structure and function of genes at the molecular level.
  • mosquito repellent — a chemical substance, such as a spray or lotion, applied to the body to prevent mosquitoes biting
  • mount saint helens — a city in Merseyside, in NW England, near Liverpool.
  • multi-user dungeon — Multi-User Dimension
  • multicast backbone — (MBONE) A virtual network on top of the Internet which supports routing of IP multicast packets, intended for multimedia transmission. MBONE gives public access desktop video communications. The quality is poor with only 3-5 frames per second instead of the 30 frames per second of commercial television. Its advantage is that it avoids all telecommunications costs normally associated with teleconferencing. An interesting innovation is the use of MBONE for audio communications and an electronic "whiteboard" where the computer screen becomes a shared workspace where two physically remote parties can draw on and edit shared documents in real-time.
  • multiple collision — an accident in which several cars crash into each other
  • multiple ownership — ownership by several people or organizations
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