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17-letter words containing a, l, c, m, n

  • genetic algorithm — (GA) An evolutionary algorithm which generates each individual from some encoded form known as a "chromosome" or "genome". Chromosomes are combined or mutated to breed new individuals. "Crossover", the kind of recombination of chromosomes found in sexual reproduction in nature, is often also used in GAs. Here, an offspring's chromosome is created by joining segments choosen alternately from each of two parents' chromosomes which are of fixed length. GAs are useful for multidimensional optimisation problems in which the chromosome can encode the values for the different variables being optimised.
  • glove compartment — a compartment in the dashboard of an automobile for storing small items.
  • glycosaminoglycan — any of a class of polysaccharides derived from hexosamine that form mucins when complexed with proteins: formerly called mucopolysaccharide.
  • grand climacteric — Physiology. a period of decrease of reproductive capacity in men and women, culminating, in women, in the menopause.
  • grandmother clock — a pendulum clock similar to a grandfather's clock but shorter.
  • guglielmo marconi — Guglielmo [goo-lyel-maw] /guˈlyɛl mɔ/ (Show IPA), Marchese, 1874–1937, Italian electrical engineer and inventor, especially in the field of wireless telegraphy: Nobel Prize in physics 1909.
  • gunboat diplomacy — diplomatic relations involving the use or threat of military force, especially by a powerful nation against a weaker one.
  • haematocrystallin — Alternative form of hematocrystallin.
  • hamiltonian cycle — Hamiltonian problem
  • hammer and sickle — the emblem of the Soviet Union, adopted in 1923 and consisting of an insignia of a hammer with its handle across the blade of a sickle and a star above.
  • harmonic analysis — the calculation of Fourier series and their generalization.
  • harmonic interval — an intervening period of time: an interval of 50 years.
  • heimlich maneuver — an emergency rescue procedure for application to someone choking on a foreign object, in which the rescuer places a fist between the victim's lower ribs or upper abdomen from behind and exerts sudden pressure in the form of thrusts of sufficient force to help eject the object from the windpipe.
  • histamine blocker — any of various substances that act at a specific receptor site to block certain actions of histamine.
  • ho chi minh trail — a network of jungle paths winding from North Vietnam through Laos and Cambodia into South Vietnam, used as a military route by North Vietnam to supply the Vietcong during the Vietnam War.
  • homeland security — national defence
  • homovanillic acid — the end product of dopamine metabolism, C 9 H 10 O 4 , found in human urine.
  • i will/can manage — You say 'I can manage' or 'I'll manage' as a way of refusing someone's offer of help and insisting on doing something by yourself.
  • impracticableness — The state of being impracticable; impracticability.
  • incandescent lamp — a lamp that emits light due to the glowing of a heated material, especially the common device in which a tungsten filament enclosed within an evacuated glass bulb is rendered luminous by the passage of an electric current through it.
  • income inequality — a situation in which there is great disparity in income within a society
  • incommunicability — incapable of being communicated, imparted, shared, etc.
  • incompatibilities — not compatible; unable to exist together in harmony: She asked for a divorce because they were utterly incompatible.
  • incremental value — increased value measured on an index or scale
  • intercolumniation — the space between two adjacent columns, usually the clear space between the lower parts of the shafts.
  • internal medicine — the branch of medicine dealing with the diagnosis and nonsurgical treatment of diseases, especially of internal organ systems.
  • intersectionalism — The study of minorities within minorities, or intersections between minorities; specifically, the study of the interactions of multiple systems of oppression or discrimination.
  • invincible armada — Armada.
  • japanese clematis — a Japanese woody vine, Clematis paniculata, of the buttercup family, having dense clusters of fragrant, white flowers and plumed fruit.
  • jumping-off place — a place for use as a starting point: Paris was the jumping-off place for our tour of Europe.
  • lame-duck session — (formerly) the December to March session of those members of the U.S. Congress who were defeated for reelection the previous November.
  • landlocked salmon — a variety of the Atlantic Ocean salmon, Salmo salar, confined to the freshwater lakes of New England and adjacent areas of Canada.
  • laplace transform — a map of a function, as a signal, defined especially for positive real values, as time greater than zero, into another domain where the function is represented as a sum of exponentials.
  • larmor precession — the precession of charged particles, as electrons, placed in a magnetic field, the frequency of the precession (Larmor frequency) being equal to the electronic charge times the strength of the magnetic field divided by 4π times the mass.
  • lautenclavicymbal — a harpsichord with strings of gut rather than metal.
  • level compensator — an automatic gain control device used in the receivers of telegraphic circuits.
  • light machine gun — any air-cooled machine gun having a caliber not greater than 0.30 inches (7.6 mm).
  • line of scrimmage — an imaginary line parallel to the goal lines that passes from one sideline to the other through the point of the football closest to the goal line of each team.
  • lisp machine lisp — (language)   An extension of Maclisp, now called Zetalisp.
  • literacy campaign — a campaign designed to reduce illiteracy and promote literacy in a country, area, etc
  • lithium carbonate — a colorless crystalline compound, Li 2 CO 3 , slightly soluble in water: used in ceramic and porcelain glazes, pharmaceuticals, and luminescent paints.
  • load displacement — the weight, in long tons, of a cargo vessel loaded so that the summer load line touches the surface of the water.
  • local examination — any of various examinations, such as the GCSE, set by university boards and conducted in local centres, schools, etc
  • logic programming — (artificial intelligence, programming, language)   A declarative, relational style of programming based on first-order logic. The original logic programming language was Prolog. The concept is based on Horn clauses. The programmer writes a "database" of "facts", e.g. wet(water). ("water is wet") and "rules", e.g. mortal(X) :- human(X). ("X is mortal is implied by X is human"). Facts and rules are collectively known as "clauses". The user supplies a "goal" which the system attempts to prove using "resolution" or "backward chaining". This involves matching the current goal against each fact or the left hand side of each rule using "unification". If the goal matches a fact, the goal succeeds; if it matches a rule then the process recurses, taking each sub-goal on the right hand side of the rule as the current goal. If all sub-goals succeed then the rule succeeds. Each time a possible clause is chosen, a "choice point" is created on a stack. If subsequent resolution fails then control eventually returns to the choice point and subsequent clauses are tried. This is known as "backtracking". Clauses may contain logic variables which take on any value necessary to make the fact or the left hand side of the rule match a goal. Unification binds these variables to the corresponding subterms of the goal. Such bindings are associated with the choice point at which the clause was chosen and are undone when backtracking reaches that choice point. The user is informed of the success or failure of his first goal and if it succeeds and contains variables he is told what values of those variables caused it to succeed. He can then ask for alternative solutions.
  • lombrosian school — a school of criminology, promulgating the theories and employing the methods developed by Lombroso.
  • luminous efficacy — the quotient of the luminous flux of a radiation and its corresponding radiant flux
  • luminous exitance — the ability of a surface to emit light expressed as the luminous flux per unit area at a specified point on the surface
  • lymphangiographic — Relating to lymphangiography.
  • macdonnell ranges — a mountain system of central Australia, in S central Northern Territory, extending about 160 km (100 miles) east and west of Alice Springs. Highest peak: Mount Zeil, 1531 m (5024 ft)
  • macfarlane burnet — Sir (Frank) Macfarlane [muh k-fahr-luh n] /məkˈfɑr lən/ (Show IPA), 1899–1985, Australian physician: Nobel Prize in Physiology 1960.
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