unit prism

См. также в других словарях:

• prism diopter — n an arbitrary standard of prismatic deflection equal to that of a prism that deflects a beam of light one centimeter on a plane placed at a distance of one meter * * * a unit of prismatic deviation; deflection of one centimeter at a distance of… …   Medical dictionary

• Prism correction — Eye care professionals use prism correction as a component of some eyeglass prescriptions. A lens with prism correction displaces the image, which is used to treat muscular imbalance or other conditions (see vergence dysfunction) that cause… …   Wikipedia

• prism diopter — (PD)    a unit used in optics to measure the deflection of light by a prism. One prism diopter represents a deflection of 1 centimeter measured at a distance of 1 meter from the prism. Mathematically, the deflection in prism diopters is equal to… …   Dictionary of units of measurement

• prism diopter — noun : an arbitrary standard of prismatic deflection equal to that of a prism that deflects a beam of light one centimeter on a plane placed at a distance of one meter * * * Optics. a unit of prismatic deviation, in which the number one… …   Useful english dictionary

• prism diopter — Optics. a unit of prismatic deviation, in which the number one represents a prism that deflects a beam of light a distance of one centimeter on a plane placed normal to the initial direction of the beam and one meter away from the prism. * * * …   Universalium

• Apollo PRISM — PRISM ( Parallel Reduced Instruction Set Machine ) was Apollo Computer s high performance CPU used in their DN10000 series workstations. It was also known as the A88K (apparently referring to Advanced post 68K ). It was for some time the fastest… …   Wikipedia

• DEC PRISM — Not to be confused with Apollo PRISM. PRISM was a 32 bit RISC instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC). It was the final outcome of a number of DEC research projects from the 1982–1985 time frame, and… …   Wikipedia

• Saturn V Instrument Unit — The Saturn V Instrument Unit is a ring shaped structure fitted to the top of the Saturn V rocket s third stage (S IVB) and the Saturn IB s second stage (S IVB). It was immediately below the SLA (Spacecraft/Lunar Module Adapter) panels that… …   Wikipedia

• Macroprism — Mac ro*prism, n. [Macro + prism.] (Crystallog.) A prism of an orthorhombic crystal between the macropinacoid and the unit prism; the corresponding pyramids are called macropyramids. [1913 Webster] …   The Collaborative International Dictionary of English

• Christopher Meloni — Meloni near the Civic Center in New York City, March 2011 Born Christopher Peter Meloni April 2, 1961 (1961 04 02) …   Wikipedia

• macroprism — noun A prism of an orthorhombic crystal between the macropinacoid and the unit prism; the corresponding pyramids are called macropyramids …   Wiktionary