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21-letter words containing a, r, o, n, i

  • open trading protocol — Internet Open Trading Protocol
  • operational amplifier — a high-gain, high-input impedance amplifier, usually an integrated circuit, that can perform mathematical operations when suitably wired.
  • operational semantics — (theory)   A set of rules specifying how the state of an actual or hypothetical computer changes while executing a program. The overall state is typically divided into a number of components, e.g. stack, heap, registers etc. Each rule specifies certain preconditions on the contents of some components and their new contents after the application of the rule. It is similar in spirit to the notion of a Turing machine, in which actions are precisely described in a mathematical way. Compuare axiomatic semantics, denotational semantics.
  • ophthalmia neonatorum — inflammation of the eyes of a newborn child due to an infectious disease, as gonorrhea, contracted during birth from the infected mother.
  • orthogonal projection — a two-dimensional graphic representation of an object in which the projecting lines are at right angles to the plane of the projection. Also called orthogonal projection. Compare isometric (def 5).
  • otorhinolaryngologist — (medicine) Doctor specializing in otorhinolaryngology, the study of ear, nose, and throat.
  • over and over (again) — repeatedly; time after time
  • overhead-valve engine — I-head engine.
  • overuse strain injury — (medical)   (Or "repetitive strain injury", RSI, "repetitive strain disorder") Any tendon or muscle injury resulting from overuse, usually in the hand, wrist, or arm. Injury may be caused by any combination of repetitive, unacustomed, or prolonged movements, forcefulness, or an awkward position (often due to bad ergonomics). The symptoms are pain, tingling, weakness, numbness, swelling, cracking, stiffness, or reduced coordination. Common conditions are: Carpal tunnel syndrome, where swelling of the membrane linings in your wrist surrounding the tendons that bend your fingers compresses the median nerve. This may result in numbness and pain in the hand, arm, shoulder, and neck. Tennis elbow, where rotating your wrist and using force causes a form of epicondylitis. Tendinitis, where unacustomed exercise or repeated awkward movements inflame wrist, elbow, or shoulder tendons, often leading to severe stiffness. Trigger finger, a popping or catching sensation when you bend your finger, wrist, or shoulder. This form of tenosynovitis is caused by repetitive hand movements. To prevent the condition worsening, treat the pain with heat, cold, or aspirin, ibuprofen, or naproxen sodium; rest; or immobilise the injured area with a splint or bandage. See a doctor.
  • packed encoding rules — (protocol, standard)   (PER) ASN.1 encoding rules for producing a compact transfer syntax for data structures described in ASN.1, defined in 1994. PER provides a much more compact encoding then BER. It tries to represents the data units using the minimum number of bits. The compactness requires that the decoder knows the complete abstract syntax of the data structure to be decoded, however. Documents: ITU-T X.691, ISO 8825-2.
  • painter and decorator — a person who paints and decorates houses as a trade
  • paradoxical intention — (in psychotherapy) the deliberate practice of a neurotic habit or thought, undertaken in order to remove it
  • parasitic oscillation — (in an electronic circuit) oscillation at any undesired frequency
  • part of the furniture — If you describe someone or something as part of the furniture, you are suggesting that they have been somewhere such as their place of work for such a long time that it is hard to imagine that place without them.
  • partial reinforcement — the process of randomly rewarding an organism for making a response on only some of the occasions it makes it
  • partition coefficient — the ratio of the concentrations of a substance in two heterogenous phases in equilibrium with each other
  • path coverage testing — (testing)   Testing a program by examining which lines of executable code are visited (as in code coverage testing) and also the ways of getting to each line of code and the subsequent sequence of execution. Path coverage testing is the most comprehensive type of testing that a test suite can provide. It can find more bugs, especially those that are caused by data coupling. However, path coverage is hard and usually only used for small and/or critical sections of code.
  • pathfinder prospectus — a prospectus regarding the flotation of a new company that contains only sufficient details to test the market reaction
  • performance appraisal — the assessment, at regular intervals, of an employee's performance at work
  • performance indicator — a quantitative or qualitative measurement, or any other criterion, by which the performance, efficiency, achievement, etc of a person or organization can be assessed, often by comparison with an agreed standard or target
  • performance-enhancing — noting or relating to a drug or other substance used to improve one's performance in a sport or other activity requiring strength, stamina, etc.: The use of performance-enhancing steroids by athletes is banned.
  • personality inventory — a questionnaire designed to measure personality types or characteristics.
  • personalized medicine — an approach to the practice of medicine that uses information about a patient’s unique genetic makeup and environment to customize the patient's medical care to fit his or her individual requirements.
  • phenarsazine chloride — adamsite.
  • physical anthropology — the branch of anthropology dealing with the evolutionary changes in human anatomy and physiology, using mensurational and descriptive techniques.
  • pick someone's brains — to obtain information or ideas from someone
  • piero della francesca — Piero della [pee-air-oh del-uh;; Italian pye-raw del-lah] /piˈɛər oʊ ˈdɛl ə;; Italian ˈpyɛ rɔ ˈdɛl lɑ/ (Show IPA), (Piero dei Franceschi) c1420–92, Italian painter.
  • place of articulation — the location at which two speech organs approach or come together in producing a speech sound, as in the contact of the tongue and the teeth to form a dental sound. Also called point of articulation. Compare articulator (def 2).
  • play russian roulette — take a foolish risk
  • ploughman's spikenard — a European plant, Inula conyza, with tubular yellowish flower heads surrounded by purple bracts: family Asteraceae (composites)
  • point of articulation — place of articulation.
  • polarizing microscope — a microscope that utilizes polarized light to reveal detail in an object, used especially to study crystalline and fibrous structures.
  • political correctness — Political correctness is the attitude or policy of being extremely careful not to offend or upset any group of people in society who have a disadvantage, or who have been treated differently because of their sex, race, or disability.
  • politically incorrect — not politically correct; potentially offensive to a particular group of people: politically incorrect jokes.
  • polygenic inheritance — the heredity of complex characters that are determined by a large number of genes, each one usually having a relatively small effect.
  • pomp and circumstance — ceremony
  • poor robin's plantain — the rattlesnake weed, Hieracium venosum.
  • postpartum depression — Postpartum depression is a mental state involving feelings of anxiety and sudden mood swings which some women experience after they have given birth.
  • potassium bicarbonate — a white, crystalline, slightly alkaline, salty-tasting, water-soluble powder, KHCO 3 , produced by the passage of carbon dioxide through an aqueous potassium carbonate solution: used in cookery as a leavening agent and in medicine as an antacid.
  • poweropen association — An independent body established to promote, and test conformance with, the PowerOpen Environment (POE).
  • powersoft corporation — (company)   A leading vendor of client/server application development tools. In February 1994, Watcom became a wholly-owned subsidiary of Powersoft Corporation which merged with Sybase on 13 February 1995. In April 1995, the new company is the fastest growing top-ten software company and the seventh largest software company in the world. Headquarters: Concord, Massachusetts, USA.
  • prader-willi syndrome — a congenital condition characterized by obsessive eating, obesity, learning difficulties, and small genitalia
  • preacquisition profit — the retained profit of a company earned before a takeover and therefore not eligible for distribution as a dividend to the shareholders of the acquiring company
  • premature ejaculation — a male psychosexual disorder in which ejaculation occurs soon after the commencement of sexual intercourse.
  • premium savings bonds — (in Britain) bonds issued by the Treasury since 1956 for purchase by the public. No interest is paid but there is a monthly draw for cash prizes of various sums
  • printed circuit board — a circuit in which the interconnecting conductors and some of the circuit components have been printed, etched, etc., onto a sheet or board of dielectric material (PC board, printed-circuit board)
  • pro-industrialization — the large-scale introduction of manufacturing, advanced technical enterprises, and other productive economic activity into an area, society, country, etc.
  • production department — the department of a business or organization responsible for manufacturing products
  • professional services — (job)   A department of a supplier providing consultancy and programming manpower for the supplier's products.
  • profit-sharing scheme — a scheme employing profit-sharing; a system in which a portion of the net profit of a business is distributed to its employees, usually in proportion to their wages or their length of service
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