28-letter words containing s, p, l, i, n
- ordinary-language philosophy — linguistic analysis.
- packet in plastic grid array — (integrated circuit) (PPGA) The package used for Intel's Celeron Socket 370 CPU.
- palestinian autonomous areas — the Gaza Strip and the West Bank in Israel: these areas were granted autonomous status under the control of the Palestinian National Authority following the 1993 peace agreement between Israel and the Palestine Liberation Organization
- peaches-and-cream complexion — a pale complexion with rosy cheeks
- penny-wise and pound-foolish — careful about trifles but wasteful in large ventures
- persistent organic pollutant — a toxin resulting from a manufacturing process, which remains in the environment for many years
- personal liability insurance — Personal liability insurance protects the insured if they are sued for claims that are covered by the insurance policy.
- pleuropneumonialike organism — any antibiotic-resistant mycoplasma causing a form of pneumonia in humans. Abbreviation: PPLO.
- potassium antimonyl tartrate — a white, water-soluble, sweet and metallic-tasting, poisonous powder or granules, C 4 H 4 KO 7 Sb, used as a mordant for dyeing textiles and leather, and in medicine as an expectorant, for inducing vomiting, and for infections by schistosomes.
- probability density function — a function of a continuous variable whose integral over a region gives the probability that a random variable falls within the region.
- quick mail transfer protocol — (communications) (QMTP) An SMTP replacement that works better over high latency links as it doesn't require as much interaction as SMTP. QMTP listens on port 209 and is used by qmail.
- raise specification language — (language) (RSL) (RAISE = Rigorous Approach to Industrial Software Engineering). A wide-spectrum specification and design language developed by ESPRIT Project 315 at CRI A/S, Denmark. Systems may be modular, concurrent and nondeterministic. Specifications may be applicative or imperative, explicit or implicit, abstract or concrete.
- real time streaming protocol — (multimedia, networking, protocol) (RTSP) An application layer protocol for controlling delivery of a stream of real-time multimedia content. RTSP allows users to start playing from a certain position. It does not actually deliver the data, but works alongside existing delivery channels such as UDP, TCP, or IP multicast. RTSP was developed by RealNetworks, Netscape Communications, and Columbia University, and is described in RFC 2326, April 1998. RTSP is an IETF proposed standard.
- real-time transport protocol — (protocol) (RTP) An Internet protocol for transmitting real-time data such as audio and video. RTP itself does not guarantee real-time delivery of data, but it does provide mechanisms for the sending and receiving applications to support streaming data. Typically, RTP runs on top of the UDP protocol, although the specification is general enough to support other transport protocols. RTP has received wide industry support. Netscape intends to base its LiveMedia technology on RTP, and Microsoft claims that its NetMeeting product supports RTP.
- regular expression converter — CONVERT
- scanning electron microscope — a device in which the specimen is examined point by point directly in a moving electron beam, and electrons reflected by the specimen are used to form a magnified, three-dimensional image on a television screen. Abbreviation: SEM.
- semiconservative replication — replication.
- service advertising protocol — (networking) (SAP) A Novell NetWare protocol. SAP follows the spirit of the Xerox Clearinghouse protocol, it permits file, print, and gateway servers to advertise their services and addresses.
- smooth endoplasmic reticulum — a network of tubular membranes within the cytoplasm of the cell, occurring either with a smooth surface (smooth endoplasmic reticulum) or studded with ribosomes (rough endoplasmic reticulum) involved in the transport of materials.
- special power of appointment — authority to appoint persons from a particular class to take an estate or interest in property
- spectral luminous efficiency — a measure of the efficiency of radiation of a given wavelength in producing a visual sensation. It is equal to the ratio of the radiant flux at a standard wavelength to that at the given wavelength when the standard wavelength is chosen so that the maximum value of this ratio is unity
- supplemental security income — income provided by the U.S. government to needy aged, blind, and disabled persons. Abbreviation: SSI.
- tannu tuva people's republic — former name of Tuva Autonomous Republic.
- television interface adaptor — (hardware, graphics) (TIA) The graphics chip in the Atari 2600, also used as a sound chip for some arcade game.
- the everglades national park — the Florida park established to preserve the flora and fauna of the Everglade swamps
- the obscene publications act — a group of obscenity laws that determines what can be published in Britain
- tissue plasminogen activator — an anticlotting enzyme, naturally occurring in small amounts in the blood.
- to be no let-up in something — if there is no let-up in something, usually something unpleasant, there is no reduction in the intensity of it
- to play into someone's hands — If you play into someone's hands, you do something which they want you to do and which places you in their power.
- to slip through your fingers — If someone or something slips through your fingers, you just fail to catch them, get them, or keep them.
- uninterruptible power supply — (hardware) (UPS) A battery powered power supply unit that is guaranteed to provide power to a computer in the event of interruptions in the incoming mains electrical power. Different rating UPSs will provide power for different lengths of time. Modern UPSs connect to the computer's serial port and provide information such as battery time remaining, allowing the computer to shut down gracefully before complete loss of power.
- united states postal service — an independent federal agency created in 1971 to replace the Post Office Department as the division of the federal government responsible for postal services. Abbreviation: USPS.
- very small aperture terminal — (communications) (VSAT) A kind of ground station used to contact a communications satellite such as INMARSAT.
- virgin islands national park — a national park on St. John Island, Virgin Islands: prehistoric Indian relics. 24 sq. mi. (62 sq. km).
- waterton lakes national park — a national park in W Canada, in S Alberta. 220 sq. mi. (570 sq. km).
- wireless encryption protocol — Wired Equivalent Privacy