22-letter words containing p, u, r, d
- public domain software — public domain
- punctuated equilibrium — theory of, Biology. a hypothesis holding that the evolution of species proceeds in a characteristic pattern of relative stability for long periods of time interspersed with much shorter periods during which many species become extinct and new species emerge. Also called punctuationalism. Compare gradualism (def 3).
- pure food and drug act — a law passed in 1906 to remove harmful and misrepresented foods and drugs from the market and regulate the manufacture and sale of drugs and food involved in interstate trade.
- received pronunciation — the pronunciation of British English considered to have the widest geographical distribution and the fewest regional peculiarities, originally the pronunciation of educated speakers in southern England and traditionally that used in the public schools and at Oxford and Cambridge universities, adopted by many speakers elsewhere in England and widely used in broadcasting. Abbreviation: RP.
- reproduction furniture — furniture that is made in an imitation or copy of a past style
- reproductive isolation — the conditions, as physiological or behavioral differences or geographical barriers, that prevent potentially interbreeding populations from cross-fertilization.
- restricted users group — a group of people who, with knowledge of a secret password, or by some other method, have access to restricted information stored in a computer
- rheumatoid spondylitis — ankylosing spondylitis.
- sainte anne de beaupre — a village in S Quebec, Canada, on the St. Lawrence River: shrine and basilica.
- sainte-anne-de-beaupré — village in S Quebec, Canada, on the St. Lawrence: site of a Rom. Catholic shrine (established 1658): pop. 3,000
- saturday night special — a cheap, small-caliber handgun that is easily obtainable and concealable.
- saturday-night special — a cheap, small-caliber handgun that is easily obtainable and concealable.
- split-dollar insurance — life insurance in which someone helps pay the premiums for another, as when an employer contributes to the premiums of an employee's policy.
- st-pierre and miquelon — group of islands in the Atlantic, south of Newfoundland, constituting a political unit of France: includes the islands of St-Pierre (c. 10 sq mi, 26 sq km) & Miquelon & several islets: 93 sq mi (241 sq km); pop. 6,000
- structured programming — the design and coding of programs by a methodology (top-down) that successively breaks problems into smaller, nested subunits.
- stuffing and stripping — (in marine transport) the packing and unpacking of containers
- supreme judicial court — (often initial capital letters) the highest court in some states, as Massachusetts and Maine.
- unconditioned response — a reflex action innately elicited by a stimulus without the intervention of any learning process
- 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 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.
- windows for workgroups — (operating system) (WFW, WFWG) A version of Windows 3.1 which works with a network. Although stand-alone 3.1 can be networked, the installation and configuration is much improved with Windows for Workgroups (3.1). Windows for Workgroups 3.11 was a significant upgrade to WFW 3.1, adding 32-bit file access, fax capability and higher performance.