piezoelectric charge
61Electret — (formed of elektr from electricity and et from magnet ) is a dielectric material that has a quasi permanent electric charge or dipole polarisation. An electret generates internal and external electric fields, and is the electrostatic equivalent… …
62Electric violin — Infobox Instrument name= Electric violin names= classification= *Bowed string instrument range= related= * ViolinAn electric violin is a violin equipped with an electronic output of its sound. The term most properly refers to an instrument… …
63Electrostriction — is a property of all electrical non conductors, or dielectrics, that causes them to change their shape under the application of an electric field. (Compare with magnetostriction.) Explanation Electrostriction is a property of all dielectric… …
64Electrogravitics — is a research subject based upon the original work of Nikola Tesla, and hypotheses advanced by Thomas Townsend Brown and Brown s subsequent extensive experimentation and demonstrations of the effect. The term was in widespread use by 1956.… …
65Fingerprint recognition — or fingerprint authentication refers to the automated method of verifying a match between two human fingerprints. Fingerprints are one of many forms of biometrics used to identify an individual and verify their identity. This article touches on… …
66Effet pyroélectrique — Pyroélectricité La pyroélectricité (du grec pyr, feu) est la propriété d un matériau dans lequel un changement de température entraine une variation de polarisation électrique. Cette variation de polarisation crée une différence de potentiel… …
67Pyroelectricite — Pyroélectricité La pyroélectricité (du grec pyr, feu) est la propriété d un matériau dans lequel un changement de température entraine une variation de polarisation électrique. Cette variation de polarisation crée une différence de potentiel… …
68Pyroélectricité — La pyroélectricité (du grec pyr, feu) est la propriété d un matériau dans lequel un changement de température entraine une variation de polarisation électrique. Cette variation de polarisation crée une différence de potentiel temporaire, celle ci …
69Rochelle salt — Chem., Pharm. a colorless or white, water soluble solid, KNaC4H4O6·4H2O, used in silvering mirrors, in the manufacture of Seidlitz powders and baking powder, and in medicine as a laxative. Also called potassium sodium tartrate. [1745 55; after LA …
70crystal — crystallike, adj. /kris tl/, n., adj., v., crystaled, crystaling or (esp. Brit.) crystalled, crystalling. n. 1. a clear, transparent mineral or glass resembling ice. 2. the transparent form of crystallized quartz. 3. Chem., Mineral. a solid body… …
