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 international match point — a unit of scoring in contract bridge tournaments held in Europe. Abbreviation: IMP. 
 
 maintenance of membership — an arrangement or agreement between an employer and a labor union by which employees who are members of the union at the time the agreement is made, or who subsequently join, must either remain members until the agreement expires, or be discharged. 
 
 metal-free phthalocyanine — phthalocyanine (def 1). 
 
 non-algorithmic procedure — heuristic 
 
 peripheral nervous system — the portion of the nervous system lying outside the brain and spinal cord. 
 
 petropavlovsk-kamchatskiy — seaport in E Asian Russia, on Kamchatka Peninsula: pop. 210,000 
 
 pharmacotherapeutic group — Drugs and agents are categorized into pharmacotherapeutic groups based on which diseases they are designed to treat. 
 
 phase contrast microscope — a microscope that utilizes the phase differences of light rays transmitted by different portions of an object to create an image in which the details of the object are distinct despite their near-uniformity of refractive index. 
 
 phase-contrast microscope — a microscope that utilizes the phase differences of light rays transmitted by different portions of an object to create an image in which the details of the object are distinct despite their near-uniformity of refractive index. 
 
 poacher turned gamekeeper — someone whose occupation or behaviour is the opposite of what it previously was, such as a burglar who now advises on home security 
 
 polymerase chain reaction — a technique in which a known DNA sequence is synthesized at high temperatures by means of a polymerase, producing millions of copies for statistical analysis: used in DNA fingerprinting, in detecting minute quantities of cancer cells, etc. 
 
 polynomial-time algorithm — (complexity)   A known algorithm (or Turing Machine) that is guaranteed to terminate within a number of steps which is a polynomial function of the size of the problem. See also computational complexity, exponential time, nondeterministic polynomial-time (NP), NP-complete. 
 
 ram's-head lady's-slipper — a rare, slender-stemmed orchid, Cypripedium arietinum, of northeastern North America, that has crimson-streaked, whitish-lipped flowers with purple sepals and grows in moist soil. 
 
 rehabilitation department — a government department set up after World War II to assist ex-servicemen 
 
 saint joseph of arimathea — a wealthy member of the Sanhedrin, who obtained the body of Jesus after the Crucifixion and laid it in his own tomb (Matthew 27:57–60). Feast day: Mar 17 or July 31 
 
 sequential parlog machine — (SPM) The virtual machine (and its machine code) for the Parlog logic programming language. 
 
 sulphate-resisting cement — a type of Portland cement that resists normal concentrations of sulphates: used in concrete for flues and underwater work 
 
 sympathetic introspection — a study of human conduct in which the investigator imagines himself or herself engaged in that conduct. 
 
 the department of defense — the United States federal department concerned with national security 
 
 the empire state building — a very high skyscraper in New York City 
 
 the mother of parliaments — the British Parliament: the model and creator of many other Parliaments 
 
 thermal imaging equipment — heat-sensitive devices that can detect or provide images of people or things 
 
 thermodynamic temperature — temperature defined in terms of the laws of thermodynamics and not in terms of the properties of any real material. It is usually expressed on the Kelvin scale 
 
 thin-layer chromatography — chromatography in which glass plates coated with thin layers of alumina, silica gel, or cellulose are used as an adsorbent. 
 
 tribasic sodium phosphate — sodium phosphate (def 3). 
 
 undisputed world champion — a boxer who holds the World Boxing Association, the World Boxing Council, the World Boxing Organization, and the International Boxing Federation world championship titles simultaneously