23-letter words containing i, c, o, n, p
- turn-and-slip indicator — bank-and-turn indicator.
- unincorporated business — a privately owned business, often owned by one person who has unlimited liability as the business is not legally registered as a company
- unipress software, inc. — (company) A developer and distributor of Unix software. They produce PC-UNIX connectivity software, development tools and applications and provide technical support and maintenance, porting services, training and consulting.
- unprotected intercourse — an act of sexual intercourse or sodomy performed without the use of a condom thus involving the risk of sexually transmitted diseases
- variable contrast paper — printing paper in which the contrast of the image is controlled by the color of the printing light.
- volumetric displacement — the volume of air per revolution that passes through a mechanical pump when the pressure at the intake and the exhaust is the same as that of the atmosphere
- war manpower commission — the board (1942–45) that regulated the most efficient use of labor during World War II. Abbreviation: WMC.
- weak accumulation point — accumulation point.
- when the chips are down — a small, slender piece, as of wood, separated by chopping, cutting, or breaking.
- white-coat hypertension — the phenomenon of having elevated blood pressure only during a medical consultation
- wind cave national park — a national park in SW South Dakota. 41½ sq. mi. (107 sq. km).
- wordperfect corporation — (company) The original developers of the WordPerfect word processor and a variety of other applications for personal computers. WordPerfect was founded in Provo, Utah, USA in 1979 by Alan Ashton and Bruce Bastion as "Satellite Software International". The company name was changed to Wordperfect Corporation in 1986. The company was bought by Novell, Inc. in 1994, who then sold it to Corel Corporation in 1996.