22-letter words containing a, l, o, n
- transition probability — the probability of going from a given state to the next state in a Markov process.
- trichlorofluoromethane — chlorotrifluoromethane.
- trifluorochloromethane — chlorotrifluoromethane.
- unconventional warfare — warfare that is conducted within enemy lines through guerrilla tactics or subversion, usually supported at least in part by external forces.
- unemployment insurance — a government program that provides a limited number of payments to eligible workers who are involuntarily unemployed.
- unidirectional current — direct current
- united empire loyalist — any of the American colonists who settled in Canada during or after the War of American Independence because of loyalty to the British Crown
- universal postal union — an international organization, formed in Bern, Switzerland (1875), that administers and regulates international postal service. Abbreviation: UPU.
- universal product code — a bar code that indicates price, product classification, etc., and can be read electronically, as at checkout counters in supermarkets. Abbreviation: UPC.
- unprofessional conduct — activity that is contrary to the accepted code of conduct of a profession
- unreasonable behaviour — conduct by a spouse sufficient to cause the irretrievable breakdown of a marriage
- urban development zone — an area that is designated as being a site for urban development
- urban district council — a council of an urban district that, in conjunction with a county council, has responsibilities for local government issues
- van der waals equation — an equation of state relating the pressure, volume, and absolute temperature of a gas, taking into account the finite size of the molecules and the attractive force between them.
- verification principle — (in the philosophy of the logical positivists) the doctrine that nontautologous statements are meaningful only if it is in principle possible to establish empirically whether they are true or false
- video display terminal — Computers. a computer terminal consisting of a screen on which data or graphics can be displayed. Abbreviation: VDT.
- vitreoretinal traction — friction on the internal limiting membrane of the retina of the eye by adherent vitreous fibrils in vitreous humour detachment
- voluntary manslaughter — the unlawful killing of one human being by another with malice aforethought but in mitigating circumstances
- voluntary organization — an organization that is composed of or functions with the aid of volunteers and which provides aid or services to individuals, groups or countries
- wardour street english — affectedly archaic speech or writing
- wear out one's welcome — a kindly greeting or reception, as to one whose arrival gives pleasure: to give someone a warm welcome.
- william lloyd garrison — William Lloyd, 1805–79, U.S. leader in the abolition movement.
- william's bon chrétien — a variety of pear that has large yellow juicy sweet fruit
- wolfram research, inc. — (company) The company founded by Stephen Wolfram in August 1987 to develop Mathematica which was released in June 1988 for the Macintosh and is now available on over 20 platforms. The company has offices in the United Kingdom and Tokyo, Japan. E-mail: <[email protected]>.
- wolfram von eschenbach — c1170–c1220, German poet.
- woman police constable — a policewoman of the lowest rank
- world communion sunday — the first Sunday in October, during which members of ecumenical churches throughout the world celebrate Holy Communion, especially to affirm their unity in Christ.
- yosemite national park — a national park in E California. 1182 sq. mi. (3060 sq. km).
- zero population growth — the maintenance of a population at a constant level by limiting the number of live births to that needed to replace the existing population.
- zodiacal constellation — any of the 12 constellations after which the signs of the zodiac are named: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, or Pisces