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Definition of Electret
1. Noun. (physics) a solid dielectric having a quasi-permanent charge; usually a metallized film; used in electroacoustic and electromechanical transducers and in air filters ¹
¹ Source: wiktionary.com
Definition of Electret
1. a type of nonconductor [n -S] - See also: nonconductor
Lexicographical Neighbors of Electret
Literary usage of Electret
Below you will find example usage of this term as found in modern and/or classical literature:
1. Elements of Electromagnetic Theory by Samuel Jackson Barnett (1903)
"The poles are approximately concentrated at the ends of the electret, and, except
within the very small volume occupied by the electret itself, the electric ..."
2. Electrical Papers by Oliver Heaviside (1894)
"A pyro-electric crystal is a natural electret. In its neutral state, however,
... Warming or cooling the electret, by altering the internal stresses, ..."
3. Environmental Issues in Primary Careedited by Barbara S. Murdock edited by Barbara S. Murdock (1994)
"To test for radon, homeowners can use a charcoal canister, an electret ion
detector, or an alpha track radon detector. These devices must be sent to a ..."
4. A Dictionary of Electrical Words, Terms and Phrases by Edwin James Houston (1903)
"(2) A transformer cooled by radiation and convection, as distinguished from an
air-transformer. Natural electret.—A body whose molecules are inherently ..."
5. The Theory of Electricity and Magnetism: Being Lectures on Mathematical Physics by Arthur Gordon Webster (1897)
"In order to carry out the analogy, Heaviside has proposed to call a dielectric
permanently polarized body an electret, and its polarization ..."
6. Reusability of Facemasks During an Influenza Pandemic: Facing the Flu by Institute of Medicine (U. S.), National Academies Press (U.S.) (2006)
"... which are said to be capable of holding a sufficiently strong electrostatic
charge (electret) to effectively resist the shielding effects of oil. ..."
Other Resources:
