22-letter words containing p, t, e, r, o
- 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
- unsaturated production — Unsaturated production is the production of smaller, unsaturated hydrocarbons from saturated hydrocarbons, for example producing alkenes such as ethane and propene.
- urban development zone — an area that is designated as being a site for urban development
- user datagram protocol — (protocol) (UDP) Internet standard network layer, transport layer and session layer protocols which provide simple but unreliable datagram services. UDP is defined in STD 6, RFC 768. It adds a checksum and additional process-to-process addressing information [to what?]. UDP is a connectionless protocol which, like TCP, is layered on top of IP. UDP neither guarantees delivery nor does it require a connection. As a result it is lightweight and efficient, but all error processing and retransmission must be taken care of by the application program.
- 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.
- video graphics adapter — Video Graphics Array
- video graphics adaptor — Video Graphics Array
- where the shoe pinches — the source of trouble, grief, difficulty, etc.
- white australia policy — an unofficial term for an immigration policy designed to restrict the entry of non-White people into Australia
- white-throated sparrow — a common North American finch, Zonotrichia albicollis, having a white patch on the throat and a black and white striped crown.
- wi-fi protected access — (networking, security) (WPA) A security scheme for wireless networks, developed by the networking industry in response to the shortcomings of Wired Equivalent Privacy (WEP). WPA uses Temporal Key Integrity Protocol (TKIP) encryption and provides built-in authentication, giving security comparable to VPN tunneling with WEP, with the benefit of easier administration and use.
- within someone's grasp — If you say that something is within someone's grasp, you mean that it is very likely that they will achieve it.
- workmen's compensation — compensation for death, injury, or accident suffered by a workman in the course of his employment and paid to him or his dependents
- 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.