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21-letter words containing s, n, i, v

  • human papilloma virus — a species of virus that causes genital warts. Abbreviation: HPV.
  • human rights activist — a person who campaigns for human rights
  • in one's shirtsleeves — not wearing a jacket
  • inclusive disjunction — See under disjunction (def 2a).
  • industrial revolution — (sometimes initial capital letters) the totality of the changes in economic and social organization that began about 1760 in England and later in other countries, characterized chiefly by the replacement of hand tools with power-driven machines, as the power loom and the steam engine, and by the concentration of industry in large establishments.
  • inflationary universe — a version of the big bang theory in which the universe underwent very rapid growth during the first fraction of a second before it settled down to its current rate of expansion.
  • internet chess server — (networking, games)   An interactive meeting-place on the Internet where people can play chess against each other.
  • intravenous drug user — a drug addict who injects drugs (esp heroin) intravenously
  • investment management — the process of managing business investments
  • junior varsity sports — sports played at the second highest rank for university sports, ranking first after varsity
  • keep one's voice down — If someone tells you to keep your voice down, they are asking you to speak more quietly.
  • kekule von stradonitz — Friedrich August [free-drikh ou-goo st] /ˈfri drɪx ˈaʊ gʊst/ (Show IPA), 1829–96, German chemist.
  • keyboard send receive — (hardware)   (KSR) Part of a designation for a hard-copy terminal, manufactured by Teletype Corporation. The KSR range were lower cost versions of the ASR models.
  • kleine-levin syndrome — prolonged episodes of excessive sleepiness often accompanied by overeating, hallucinations, and electroencephalogram changes, usually beginning in adolescence.
  • lafcadio's adventures — French Les Caves du Vatican. a novel (1914) by André Gide.
  • leave sb in the lurch — If someone leaves you in the lurch, they go away or stop helping you at a very difficult time.
  • level of significance — significance level.
  • mean square deviation — variance (def 3).
  • motivational research — the application of the knowledge and techniques of the social sciences, especially psychology and sociology, to understanding consumer attitudes and behavior: used as a guide in advertising and marketing.
  • national park service — a division of the Department of the Interior, created in 1916, that administers national parks, monuments, historic sites, and recreational areas.
  • national savings bank — (in Britain) a government savings bank, run through the post office, esp for small savers
  • negative prescription — the barring of adverse claims to property, etc, after a specified period of time has elapsed, allowing the possessor to acquire title
  • nominative of address — a noun naming the person to whom one is speaking.
  • nonrestrictive clause — a relative clause that describes or supplements but is not essential in establishing the identity of the antecedent and is usually set off by commas in English. In This year, which has been dry, is bad for crops the clause which has been dry is a nonrestrictive clause.
  • nonviolent resistance — passive resistance, peaceful protest
  • observation satellite — an unmanned satellite that observes the earth and gathers data
  • of one's own volition — If you do something of your own volition, you do it because you have decided for yourself that you will do it and not because someone else has told you to do it.
  • on o's best behaviour — If someone is on their best behaviour, they are trying very hard to behave well.
  • one-point perspective — a mathematical system for representing three-dimensional objects and space on a two-dimensional surface by means of intersecting lines that are drawn vertically and horizontally and that radiate from one point (one-point perspective) two points (two-point perspective) or several points on a horizon line as perceived by a viewer imagined in an arbitrarily fixed position.
  • 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.
  • 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.
  • persistence of vision — the retention of a visual image for a short period of time after the removal of the stimulus that produced it: the phenomenon that produces the illusion of movement when viewing motion pictures.
  • personality inventory — a questionnaire designed to measure personality types or characteristics.
  • positive prescription — the uninterrupted possession of property over a stated period of time, after which a right or title is acquired
  • 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
  • price competitiveness — pricing goods or services so that they are competitive with the prices of other companies
  • professional services — (job)   A department of a supplier providing consultancy and programming manpower for the supplier's products.
  • progressive education — any of various reformist educational philosophies and methodologies since the late 1800s, applied especially to elementary schools, that reject the rote recitation and strict discipline of traditional, single-classroom teaching, favoring instead more stimulation of the individual pupil as well as group discussion, more informality in the classroom, a broader curriculum, and use of laboratories, gymnasiums, kitchens, etc., in the school.
  • projection television — a television picture display system consisting of a special receiver and an optical system that projects an enlarged picture on a screen.
  • put something over on — to deceive; trick
  • quantitative analysis — Chemistry. the analysis of a substance to determine the amounts and proportions of its chemical constituents. Compare qualitative analysis.
  • quantitative genetics — population genetics.
  • radius of convergence — a positive number so related to a given power series that the power series converges for every number whose absolute value is less than this particular number.
  • reverse polish syntax — postfix notation
  • reverse transcriptase — a retrovirus enzyme that synthesizes DNA from viral RNA, the reverse of the usual DNA-to-RNA replication: used in genetic engineering to clone genes from RNA strands.
  • revillagigedo islands — an uninhabited island group belonging to Mexico, in the Pacific Ocean, SSW of the Baja California peninsula: Socorro is the largest island. 320 sq. mi. (830 sq. km).
  • saint valentine's day — February 14, observed in honor of St. Valentine as a day for the exchange of valentines and other tokens of affection.
  • satisficing behaviour — the form of behaviour demonstrated by firms who seek satisfactory profits and satisfactory growth rather than maximum profits
  • saving your reverence — a form of apology for using an obscene or taboo expression
  • sentential connective — any of several words or their equivalent symbols used in logical formulas to connect propositions, as “or,” “not,” “and,” “if and only if.”.
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