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17-letter words containing p, i, g, m

  • 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.
  • lymphangiographic — Relating to lymphangiography.
  • magnetic monopole — a hypothetical very heavy particle with an isolated magnetic north pole or magnetic south pole.
  • make no apologies — If you say that you make no apologies for what you have done, you are emphasizing that you feel that you have done nothing wrong.
  • malagasy republic — former name of Madagascar.
  • malay archipelago — an extensive island group in the Indian and Pacific oceans, SE of Asia, including the Greater and Lesser Sunda Islands, the Moluccas, and the Philippines.
  • manpower planning — a procedure used in organizations to balance future requirements for all levels of employee with the availability of such employees
  • massage therapist — sb who gives body rubs
  • melissopalynology — The study of honey and its composition.
  • merchant shipping — shipping which is involved in commerce (rather than defence, etc)
  • mercury poisoning — illness caused by exposure to mercury
  • methylidyne group — the trivalent group ≡CH.
  • micropaleontology — the branch of paleontology dealing with the study of microscopic fossils.
  • microphotographic — Relating to microphotography.
  • middle-age spread — an increase in bulk, especially in the waist and buttocks, associated with the onset of middle age and the body's decreasing ability to metabolize calories efficiently.
  • midmorning prayer — the third of the seven canonical hours; terce
  • midsagittal plane — a plane passing through the nasion when the skull is oriented in the Frankfurt horizontal.
  • mongolian hot pot — a stewlike dish of sliced meat, seafood, and vegetables cooked together in hot broth, often in a clay pot, and seasoned with a hot sauce.
  • multiple cropping — the use of the same field for two or more crops, whether of the same or of different kinds, successively during a single year.
  • multiple integral — an integral in which the integrand involves a function of more than one variable and which requires for evaluation repetition of the integration process.
  • non-profit-making — A non-profit-making organization or charity is not run with the intention of making a profit.
  • on speaking terms — the act, utterance, or discourse of a person who speaks.
  • opening arguments — the statements or arguments provided by lawyers at the beginning of a trial
  • 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.
  • packaging company — a company that packages goods on behalf of the producer
  • palaeoclimatology — the study of climates of the geological past
  • peak viewing time — the time at which the largest numbers of the population are watching television
  • permutation group — a mathematical group whose elements are permutations and in which the product of two permutations is the same permutation as is obtained by performing them in succession.
  • pharmacologically — the science dealing with the preparation, uses, and especially the effects of drugs.
  • picture messaging — Picture messaging is the sending of photographs or pictures from one mobile phone to another.
  • plumbing fixtures — things such as pipes, sinks, toilets that are fixed in position in a building
  • portfolio manager — a person employed by others to make investments for them
  • pre-enlightenment — the act of enlightening.
  • precision bombing — aerial bombing in which bombs are dropped, as accurately as possible, on a specific, usually small, target.
  • programming fluid — (jargon)   (Or "wirewater") Coffee, unleaded coffee (decaffeinated), Cola, or any caffeinacious stimulant. Many hackers consider these essential for those all-night hacking runs.
  • putative marriage — a marriage contracted in violation of an impediment, but in good faith on the part of one or both of the contracting persons.
  • quantum computing — quantum computer
  • radiometeorograph — a device for the automatic transmission by radio of the data from a set of meteorological instruments
  • reformed spelling — a revised orthography intended to simplify the spelling of English words, especially to eliminate unpronounced letters, as by substituting thru for through, tho for though, slo for slow, etc.
  • repeating decimal — a decimal numeral that, after a certain point, consists of a group of one or more digits repeated ad infinitum, as 2.33333 …. or 23.0218181818 ….
  • repeating firearm — a firearm capable of discharging a number of shots without reloading.
  • role-playing game — a game in which participants adopt the roles of imaginary characters in an adventure under the direction of a Game Master.
  • self-impregnating — to make pregnant; get with child or young.
  • self-priming pump — A self-priming pump is a pump that will clear its passages of air and start pumping.
  • semi-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
  • septicemic plague — an especially dangerous form of plague in which the infecting organisms invade the bloodstream. Compare plague (def 2).
  • sidewall sampling — Sidewall sampling is the process of taking a sample from the wall of the borehole.
  • single supplement — A single supplement is an additional sum of money that a hotel charges for one person to stay in a room meant for two people.
  • single-name paper — commercial paper bearing only the signature of the maker.
  • sleeping problems — difficulties in getting to sleep or in staying asleep
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