magnetic polarity

GLOSSARY OF VOLCANIC TERMS
The direction of the magnetic poles (either normal or reversed) that is preserved in igneous rocks after they cool below their Curie temperature (USGS Glossary of Volcano and Related Terminology)

Glossary of volcanic terms. - University of Wisconsin Oshkosh. . 2001.

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  • magnetic polarity — magnetinis poliškumas statusas T sritis fizika atitikmenys: angl. magnetic polarity vok. magnetische Polarität, f rus. магнитная полярность, f pranc. polarité magnétique, f …   Fizikos terminų žodynas

  • magnetic polarity — noun the state of being a north pole or south pole; the magnetic equivalent of electric charge …   Wiktionary

  • Magnetic core memory — Magnetic core memory, or ferrite core memory, is an early form of random access computer memory. It uses small magnetic ceramic rings, the cores , through which wires are threaded to store information via the polarity of the magnetic field they… …   Wikipedia

  • Polarity (game) — Polarity is a board game that requires strategic thinking and dexterity to control hovering magnetic discs. Polarity was invented in 1985 by Canadian artist and designer Douglas Seaton. It was first published in 1986. The game has had a… …   Wikipedia

  • Magnetic induction — Induction In*duc tion, n. [L. inductio: cf. F. induction. See {Induct}.] [1913 Webster] 1. The act or process of inducting or bringing in; introduction; entrance; beginning; commencement. [1913 Webster] I know not you; nor am I well pleased to… …   The Collaborative International Dictionary of English

  • Magnetic-core memory — A 32 x 32 core memory plane storing 1024 bits of data. Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRA …   Wikipedia

  • Magnetic-coded lock — A magnetic coded lock is a lock device that uses pins in combination with magnets to prevent entry by either non matching keys by teething or magnetic polarity. Magnetic coded locks encompass knob locks, cylinder locks, lever locks, and deadbolt… …   Wikipedia

  • Magnetic-particle inspection — (MPI) is a non destructive testing (NDT) process for detecting surface and subsurface discontinuities in ferroelectric materials such as iron, nickel, cobalt, and some of their alloys. The process puts a magnetic field into the part. The piece… …   Wikipedia

  • Magnetic nanoparticles — are a class of nanoparticle which can be manipulated using magnetic field. Such particles commonly consist of magnetic elements such as iron, nickel and cobalt and their chemical compounds. While nanoparticles are smaller than 1 micrometer in… …   Wikipedia

  • polarity — [pō lar′ə tē] n. pl. polarities 1. the tendency of bodies having opposite magnetic poles to arrange themselves so that their two extremities point to the two magnetic poles of the earth 2. any tendency to turn, grow, think, feel, etc. in a… …   English World dictionary

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