DIELECTRIC Meaning and
Definition
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Dielectric is a term used in physics and electrical engineering to describe a material or substance that has the ability to store electrical energy in an electric field. It refers to a non-conductive or insulating substance that can support the formation of an electric field, while preventing the flow of electric current. Dielectrics are commonly employed in various electrical components and systems to isolate or separate electrical conductors, thus preventing short-circuits and ensuring the safe transmission of electrical signals.
Dielectrics are characterized by their high resistivity, typically possessing a significantly higher electrical resistance compared to conductive materials. This property allows dielectrics to withstand high voltages without experiencing electrical breakdown. They can block or impede the flow of electrons, but under the influence of an external electric field, the atoms or molecules within the dielectric material become polarized, aligning themselves with the applied field. As a result, the dielectric accumulates electrical charges on its surface or within its structure, leading to the storage of electric energy.
The ability of a dielectric to store electric energy is quantified by its permittivity, which represents the ratio of the electric flux density to the applied electric field strength. Different dielectric materials exhibit varying levels of permittivity, with some possessing a higher ability to store electrical energy than others. Dielectrics are utilized in a range of applications, including capacitors, insulating materials, transformers, and printed circuit boards, among others.
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Transmitting electric effects, although a non-conductor.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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A body which admits of the force of electricity acting through it.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for DIELECTRIC
Etymology of DIELECTRIC
The word "dielectric" is derived from two Greek words: "dia" meaning "through" or "across", and "electric" derived from the Greek word "ēlektron", meaning "amber". "Amber" was known for its ability to produce static electricity when rubbed, which is why it became associated with electricity. Therefore, "dielectric" combines these elements to form a term describing a material that does not conduct electric current easily, allowing electric fields to pass through it.
Similar spelling words for DIELECTRIC
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