17-letter words containing a, c, o, n, g
- leading indicator — A leading indicator is an economic indicator that changes before a change in the economy, and that can be used to predict future economic or financial activity.
- legal proceedings — court case
- 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.
- linking consonant — a consonant inserted between two vowels in speech
- 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.
- logical operation — Boolean operation.
- lose the exchange — to lose a rook in return for a bishop or knight
- 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)
- macro-linguistics — a field of study concerned with language in its broadest sense and including cultural and behavioral features associated with language.
- magellanic clouds — either of two irregular galactic clusters in the southern heavens that are the nearest independent star system to the Milky Way.
- magnetic constant — the permeability of free space, which has the value 4π × 10–7 henry per metre
- magnetic monopole — a hypothetical very heavy particle with an isolated magnetic north pole or magnetic south pole.
- magnetic roasting — roasting of a nonmagnetic ore to render it magnetic so that it can be separated from gangue by means of a magnetic field.
- magnetic rotation — Faraday effect.
- magnetizing force — that part of the magnetic induction that is determined at any point in space by the current density and displacement current at that point independently of the magnetic or other physical properties of the surrounding medium. Symbol: H.
- magnetoelasticity — the phenomenon, consisting of a change in magnetic properties, exhibited by a ferromagnetic material to which stress is applied.
- magnetoresistance — a change in the electrical resistance of a material upon exposure to a magnetic field.
- management course — a course provided by an educational establishment such as a university, which teaches skills concerning the management of a company, business, etc
- managing director — manager who oversees a project
- many-valued logic — the study of logical systems in which the truth-values that a proposition may have are not restricted to two, representing only truth and falsity
- marriage ceremony — official part of a wedding
- megaelectron volt — million electron volts.
- michigan bankroll — a large roll of paper money in small denominations.
- micropaleontology — the branch of paleontology dealing with the study of microscopic fossils.
- mid-oceanic ridge — the continuous, double-ridged chain of mountains on the ocean floor, extending through the middle of the Atlantic Ocean and into the Indian and Pacific oceans
- mileage allowance — the number of miles allowed to be travelled on a rented vehicle such as a car during the period it is rented or leased
- mileage indicator — a device on a vehicle such as a car, plane, etc which indicates the number of miles travelled
- missing in action — If a member of the armed forces is missing in action, they have not returned from a battle, their body has not been found, and they are not thought to have been captured.
- monkeygland sauce — a piquant sauce, made from tomatoes, ketchup, fruit chutney, garlic, spices, etc
- motorcycle racing — sport: competing on motorcycles
- naming convention — 1. (programming) variable naming convention. 2. (networking) Universal Naming Convention.
- nanotechnological — Of, pertaining to, or by means of nanotechnology.
- neurobiologically — In terms of or by means of neurobiology.
- neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
- neuropharmacology — the branch of pharmacology concerned with the effects of drugs on the nervous system.
- nitrogen narcosis — a semistupor, lightheadedness, or euphoria experienced by deep-sea divers when nitrogen from air enters the blood at higher than atmospheric pressure.
- non-incriminating — to accuse of or present proof of a crime or fault: He incriminated both men to the grand jury.
- non-reciprocating — to give, feel, etc., in return.
- nondiscriminating — differentiating; analytical.
- nonteaching staff — employees within an academic or vocational environment whose jobs do not involve teaching
- northern michigan — the peninsula between lakes Superior and Michigan constituting the N part of Michigan. Abbreviation: U.P.
- norwegian current — an ocean current formed from the terminus of the North Atlantic Current, flowing N along the Norwegian coast into the Barents Sea.
- ocean engineering — the branch of engineering that deals with the development of equipment and techniques for the exploration of the ocean floor and exploitation of its resources.
- oceanographically — In terms of oceanography.
- on the pig's back — successful; established
- on the wrong tack — a short, sharp-pointed nail, usually with a flat, broad head.
- optical computing — (hardware) (Or "Optical Signal Processing") Operating on data represented using electromagnetic radiation, e.g. visible light, instead of the electrical signals used in a conventional electronic digital computer. Electronic digital computers are built from transistors. These form components that store data and logic gates that perform the low-level Boolean operations such as AND, OR and NOT that are the basis of all digital computation. The optical equivalent requires material with a non-linear refractive index such that light beams can interact with each other to perform the same Boolean operations. Though the photons that carry optical signals offer some theoretical advantages over the electrons that carry electronic signals, there are many practical problems that would have to be overcome before optical computing could compete in terms of cost, power and speed.
- oregon crab apple — a shrub or small tree, Malus fusca, of the rose family, of the northwestern coast of North America, having hairy leaves, white flowers, and yellow or green oblong fruit.
- organ-pipe cactus — a treelike or columnar cactus, Lemaireocereus marginatus, of Mexico, having a central, erect spine surrounded by spreading spines in clusters of five to eight, and funnel-shaped, brownish-purple flowers.