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18-letter words containing r, e, n, o, l

  • let oneself in for — If you say that you did not know what you were letting yourself in for when you decided to do something, you mean you did not realize how difficult, unpleasant, or expensive it was going to be.
  • limited government — confined within limits; restricted or circumscribed: a limited space; limited resources.
  • linear accelerator — an accelerator in which particles are propelled in straight paths by the use of alternating electric voltages that are timed in such a way that the particles receive increasing increments of energy.
  • linear combination — a sum of products of each quantity times a constant: The expression aX + bY + cZ is a linear combination of X, Y, and Z, where a, b, and c are constants.
  • linear programming — any of several methods for finding where a given linear function of several nonnegative variables assumes an extreme value and for determining the extreme value, the variable usually being subjected to constraints in the form of linear equalities or inequalities.
  • list comprehension — (functional programming)   An expression in a functional language denoting the results of some operation on (selected) elements of one or more lists. An example in Haskell: This returns all pairs of numbers (x,y) where x and y are elements of the list 1, 2, ..., 10, y <= x and their sum is less than 10. A list comprehension is simply "syntactic sugar" for a combination of applications of the functions, concat, map and filter. For instance the above example could be written: The term "list comprehension" appears in the references below. The earliest reference to the notation is in Rod Burstall and John Darlington's description of their language, NPL. David Turner subsequently adopted this notation in his languages SASL, KRC and Miranda, where he has called them "ZF expressions", set abstractions and list abstractions (in his 1985 FPCA paper [Miranda: A Non-Strict Functional Language with Polymorphic Types]).
  • literae humaniores — (at Oxford University) the faculty concerned with Greek and Latin literature, ancient history, and philosophy; classics
  • local area network — a system for linking private telecommunications equipment, as in a building or cluster of buildings.
  • 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
  • lone-parent family — a family in which there is only one parent
  • lonely hearts club — a club for people who are trying to find a lover or a friend
  • long hundredweight — a hundredweight of 112 pounds (50.8 kg), the usual hundredweight in Great Britain, but now rare in the U.S.
  • long-horned beetle — any of numerous, often brightly colored beetles of the family Cerambycidae, usually with long antennae, the larva of which bores into the wood of living or decaying trees.
  • long-hours culture — The long-hours culture is the way in which some workers feel that they are expected to work much longer hours than they are paid to do.
  • 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.
  • lose one's marbles — If you say that someone has lost their marbles, you mean that their ideas or behaviour are very strange, as if they have become insane.
  • louisiana purchase — a treaty signed with France in 1803 by which the U.S. purchased for $15,000,000 the land extending from the Mississippi River to the Rocky Mountains and from Canada to the Gulf of Mexico.
  • magnetocrystalline — (physics) Describing the interaction between the magnetization and the crystal structure of a material.
  • magnetoelectricity — electricity developed by the action of magnets.
  • magnetorheological — (physics) describing a substance whose rheological properties are modified by a magnetic field.
  • maison-de-molieres — Comédie Française.
  • major tranquilizer — antipsychotic (def 2).
  • make a beeline for — head directly towards
  • make allowance for — the act of allowing.
  • mandelbrot, benoit — Benoit Mandelbrot
  • marine archaeology — the branch of archaeology that deals with the recovery of ancient objects found beneath the sea, as shipwrecks or remains from submerged islands, and with the techniques of underwater exploration, excavation, and retrieval.
  • maternity hospital — birthing facility
  • 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
  • melt in your mouth — to require little or no chewing
  • mental reservation — an unexpressed doubt or qualification about a situation, person, etc.
  • 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.
  • 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.
  • 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.
  • methyltestosterone — a synthetic androgenic steroid drug, C 2 0 H 3 0 O 2 , used for its anabolic properties in males in the treatment of hypogonadism and other androgen-deficiency disease states, and in females in the treatment of breast cancer.
  • mezzo-soprano clef — a C clef locating middle C on the line next to the lowest line of the staff.
  • microencapsulation — the process of enclosing chemical substances in microcapsules.
  • microenvironmental — Pertaining to a microenvironment.
  • micropalaeontology — the branch of palaeontology concerned with the study of microscopic fossils
  • middle common room — (in certain universities and colleges) a common room for the use of postgraduate students
  • military policeman — A military policeman is a member of the military police.
  • mineralocorticoids — Plural form of mineralocorticoid.
  • minister of health — a person appointed to head the government department of health
  • minor tranquilizer — antianxiety drug.
  • mission controller — a person who works as part of a mission control
  • mixed-flow turbine — a water turbine in which water flows radially and axially through the rotating vanes
  • moccasin telegraph — the transmission of rumour or secret information; the grapevine
  • molecular genetics — a subdivision of genetics concerned with the structure and function of genes at the molecular level.
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