23-letter words containing p, l, e, n, i, o
- reverse polish notation — postfix notation
- rocky mountain beeplant — a rank-smelling plant, Cleome serrulata, of the caper family, native to the western U.S., having showy, dense clusters of pink or white flowers, frequented by bees.
- schizotypal personality — a personality disorder characterized by a group of symptoms similar to but less severe than schizophrenia, as odd behavior, peculiar thinking, and social isolation.
- separation of variables — a grouping of the terms of an ordinary differential equation so that associated with each differential is a factor consisting entirely of functions of the independent variable appearing in the differential.
- silicone breast implant — silicone filled bags that are implanted into a woman in order to increase the size of her breasts
- social security payment — a payment of social security made to an individual
- somaliland protectorate — official name of the former British Somaliland.
- specialite de la maison — the specialty of the house (used in referring to the most important dish served by a restaurant).
- st. pierre and miquelon — two small groups of islands off the S coast of Newfoundland: an overseas territory of France; important base for fishing. 3 sq. mi. (240 sq. km). Capital: St. Pierre.
- subscription television — pay television.
- superposition principle — principle of superposition.
- sustainable development — supporting economy via renewable resources
- text processing utility — (language) (TPU) A DEC language for creation of text-processing interfaces, used to implement DEC's Extensible VAX Editor (EVE).
- the metropolitan police — the police organization that is responsible for Greater London, excluding the City of London
- the scottish parliament — the devolved national legislature of Scotland, located in Edinburgh
- to clip someone's wings — If you say that something or someone clips your wings, you mean that they restrict your freedom to do what you want.
- to win the popular vote — to get a majority as regards the votes cast by individual voters
- to wipe the slate clean — If you wipe the slate clean, you decide to forget previous mistakes, failures, or debts and to start again.
- topological equivalence — the property of two topological spaces such that there is a homeomorphism from one to the other.
- transplantation antigen — a histocompatibility antigen identified by its effect on the rejection of transplanted cells or tissues.
- triple expansion engine — (formerly) a steam engine in which the steam is expanded in three stages in cylinders of increasing diameter to accommodate the increasing volume of the steam
- variable contrast paper — printing paper in which the contrast of the image is controlled by the color of the printing light.
- virtual private network — (networking, security) (VPN) The use of encryption in the lower protocol layers to provide a secure connection through an otherwise insecure network, typically the Internet. VPNs are generally cheaper than real private networks using private lines but rely on having the same encryption system at both ends. The encryption may be performed by firewall software or possibly by routers. Link-level (layer 2 and 3) encryption provides extra protection by encrypting all of each datagram except the link-level information. This prevents a listener from obtaining information about network structure. While link-level encryption prevents traffic analysis (a form of attack), it must encrypt/decrypt on every hop and every path. Protocol-level encryption (layer 3 and 4) encryption encrypts protocol data but leaves protocol and link headers clear. While protocol-level encryption requires you to encrypt/decrypt data only once, and it encrypts/decrypts only those sessions that need it, headers are sent as clear text, allowing traffic analysis. Application (layer 5 up) encryption is based on a particular application and requires that the application be modified to incorporate encryption.
- 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
- voyageurs national park — a national park in N Minnesota. 343 sq. mi. (888 sq. km).
- weak accumulation point — accumulation point.
- wind cave national park — a national park in SW South Dakota. 41½ sq. mi. (107 sq. km).