22-letter words containing a, b, u, l
- public limited company — A public limited company is the same as a public company. The abbreviation plc is used after such companies' names.
- pulmonary tuberculosis — tuberculosis of the lungs.
- 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).
- reliable communication — (communications) Communication where messages are guaranteed to reach their destination complete and uncorrupted and in the order they were sent. This reliability can be built on top of an unreliable protocol by adding sequencing information and some kind of checksum or cyclic redundancy check to each message or packet. If the communication fails, the sender will be notified. Transmission Control Protocol is a reliable protocol used on Ethernet.
- round-table discussion — a discussion held at a meeting of parties or people on equal terms
- simultaneous broadcast — a programme, etc, broadcast simultaneously on radio and television
- small business edition — Microsoft Office Small Business Edition
- social security number — A Social Security number is a nine digit number that is given to U.S. citizens and to people living in the U.S. You need it to get a job, collect Social Security benefits and receive some government services.
- south african republic — former name of Transvaal.
- southern redbelly dace — any of the small, brightly colored North American freshwater cyprinids, especially Phoxinus oreas (northern redbelly dace) and P. erythrogaster (southern redbelly dace)
- subjective probability — a measure or estimate of the degree of confidence one may have in the occurrence of an event, defined by subjective criteria
- subliminal advertising — a form of advertising on film or television that employs subliminal images to influence the viewer unconsciously
- the edinburgh festival — an arts festival held in Edinburgh in August
- unreasonable behaviour — conduct by a spouse sufficient to cause the irretrievable breakdown of a marriage
- urban development zone — an area that is designated as being a site for urban development
- urban district council — a council of an urban district that, in conjunction with a county council, has responsibilities for local government issues