22-letter words containing a, t, y, c
- motorcycle combination — a motorcycle with a sidecar attached
- myalgic encephalopathy — a condition characterized by painful muscles, extreme fatigue, and general debility, sometimes occurring as a sequel to viral illness
- nickel-cadmium battery — a storage battery, with an alkaline electrolyte, having nickel oxide as the positive element and cadmium as the negative.
- nitrohydrochloric acid — aqua regia.
- nodal switching system — (NSS) Main routing nodes in the NSFnet backbone.
- non-euclidean geometry — geometry based upon one or more postulates that differ from those of Euclid, especially from the postulate that only one line may be drawn through a given point parallel to a given line.
- northern redbelly dace — any of the small, brightly colored North American freshwater cyprinids, especially Phoxinus oreas (northern redbelly dace) and P. erythrogaster (southern redbelly dace)
- oak processionary moth — a moth, (Thaumetopoea processionea), of the family Thaumetopoeidae, the larvae of which leave the communal shelter nightly for food in a V-shaped procession
- obtaining by deception — the offence of dishonestly obtaining the property of another by some deception or misrepresentation of facts
- otorhinolaryngological — of or relating to the medical practice involving the ear, nose, and throat.
- overstay one's welcome — to stay (at a party, on a visit, etc), longer than pleases the host or hostess
- parliamentary election — an election to select the members of a national parliament
- paroxysmal tachycardia — tachycardia that begins and subsides suddenly.
- pay dearly/cost dearly — If you pay dearly for doing something or if it costs you dearly, you suffer a lot as a result.
- picture of dorian gray — a novel (1891) by Oscar Wilde.
- plastic pin grid array — (hardware, processor) (PPGA) The package used for certain Intel Celeron processors. PPGA processors fit into Socket 370 motherboard sockets. The Plastic Pin Grid Array packaging is similar to that used on Pentium processors. The silicon core is covered by a heat slug that faces down toward the motherboard. The Celeron 300A to the 533 use a PPGA package. The Celeron 566 onward use a FC-PGA package. Celeron processors are also available in Slot 1 SEPP packaging.
- play one's cards right — a usually rectangular piece of stiff paper, thin pasteboard, or plastic for various uses, as to write information on or printed as a means of identifying the holder: a 3″ × 5″ file card; a membership card.
- pneumocystis pneumonia — a pulmonary infection caused by the protozoan Pneumocystis carinii, occurring as an opportunistic disease in persons with impaired immune systems, as AIDS victims. Abbreviation: PCP.
- polymyalgia rheumatica — a chronic inflammatory disease, common among older persons, characterized by recurrent episodes of muscle pain and stiffness, sometimes leading to cardiovascular complications or blindness.
- potassium ferricyanide — a bright-red, crystalline, water-soluble, poisonous solid, K 3 Fe(CN) 6 , used chiefly in the manufacture of pigments, as Prussian blue, and of paper, especially blueprint paper.
- potassium ferrocyanide — a lemon-yellow, crystalline, water-soluble solid, K 4 Fe(CN) 6 ⋅3H 2 O, used chiefly in casehardening alloys having an iron base and in dyeing wool and silk.
- primary rate interface — (PRI) A type of ISDN connection. In North America and Japan, this consists of 24 channels, usually divided into 23 B channels and 1 D channel, and runs over the same physical interface as T1. Elsewhere the PRI has 31 user channels, usually divided into 30 B channels and 1 D channel and is based on the E1 interface. PRI is typically used for connections such as one between a PBX (private branch exchange, a telephone exchange operated by the customer of a telephone company) and a CO (central office, of the telephone company) or IXC (inter exchange carrier, a long distance telephone company).
- private-equity company — an organization that uses private equity to gain control of and manage companies
- process cinematography — cinematography in which the main or foreground action or scene is superimposed on or combined with simulated or separately filmed background action or scenery to produce special visual effects.
- productivity agreement — an agreement whereby the employees of an organization agree to changes which are intended to improve productivity in return for an increase in pay or other benefits
- prothonotary apostolic — a member of the first college of prelates of the Roman Curia.
- psychological thriller — book, movie: suspense story
- 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.
- quantum chromodynamics — a quantum field theory that describes quarks and gluons and their interactions, with the color of the quarks playing a role analogous to that of electric charge. Abbreviation: QCD. Also called chromodynamics. Compare color (def 18).
- rapid deployment force — a U.S. military organization consisting of one Marine division and four Army divisions, established in 1979 to respond quickly to any distant threat to national interests.
- remote reference layer — (protocol) (RRL) Part of Java's Remote Method Invocation protocol. RRL exists in both the RMI client and server. It is used by the stub or skeleton protocol layer and uses the transport layer. RRL is reponsible for transport-independent functioning of RMI, such as connection management or unicast/multicast object invocation.
- research systems, inc. — (RSI) Distributors of Interactive Data Language (IDL).
- revolutionary calendar — the calendar of the French First Republic, adopted in 1793 and abandoned in 1805, consisting of 12 months, each of 30 days, and 5 intercalary days added at the end of the year (6 every fourth year). The months, beginning at the autumnal equinox, are Vendémiaire, Brumaire, Frimaire, Nivôse, Pluviôse, Ventôse, Germinal, Floréal, Prairial, Messidor, Thermidor, and Fructidor.
- rocky mountain bighorn — bighorn.
- rocky mountain juniper — a juniper, Juniperus scopulorum, of western North America, that yields a soft, reddish wood used for making fences, pencils, etc., and that is also grown as an ornamental.
- rocky mountain oysters — mountain oyster.
- safety-critical system — A computer, electronic or electromechanical system whose failure may cause injury or death to human beings. E.g. an aircraft or nuclear power station control system. Common tools used in the design of safety-critical systems are redundancy and formal methods. See also aeroplane rule.
- 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.
- schachter's hypothesis — (web) The observation that "Given two unrelated technical terms, an Internet search engine will retrieve only résumés". This was first formulated by Joshua Eli Schachter in about 1998, while poring over the uniformly irrelevant pages that resulted from a search he'd run on "+Perl +MAPI" in Altavista.
- secondary articulation — coarticulation (def 2).
- secondary spermatocyte — See under spermatocyte.
- secondary-articulation — concomitance of articulation, as in fro, ostensibly a succession of three discrete sounds but physically a single articulation (f-) blending into a coarticulation (-fr-), which blends into an articulation (-r-), which blends into a coarticulation (-ro-), which blends into an articulation (-o).
- secretary to the board — the secretary to the board of directors; company secretary
- 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.
- somatic nervous system — the section of the nervous system responsible for sensation and control of the skeletal muscles
- 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)
- special delivery stamp — a stamp of special design, having a value indicating an extra fee in addition to the regular postage, and affixed to an item of mail to ensure its special delivery.
- specific heat capacity — the heat required to raise unit mass of a substance by unit temperature interval under specified conditions, such as constant pressure: usually measured in joules per kelvin per kilogram