Insulator definition

A material or an object that does not easily allow heat , electricity , light , or sound to pass through it. Insulator definition is - one that insulates: such as. How to use insulator in a sentence.

English dictionary definition of insulator. A material that insulates, especially a nonconductor of soun heat, or electricity. A device that insulates.

These values, such as heat capacity of oil, insulator constant, amount of energy pumped into heater, mass of robot, etc. Shackle insulator - In early days, the shackle insulators were used as strain insulators. But nowaday, they are frequently used for low voltage distribution lines.

They can be directly fixed to the pole with a bolt or to the cross arm. The mechanisms by which an insulator performs these two functions include loop formation and nucleosome modifications. Cherchez insulator et beaucoup d’autres mots dans le dictionnaire Anglais pour Apprenants de Reverso.

As was written, thermal insulation is based on the use of substances with very low thermal conductivity. These materials are known as thermal insulators. Common thermal insulators are wool, fiberglass, rock wool, polystyrene, polyurethane, and goose feather etc.

Different insulating and conducting materials are compared with each other in this regard by means of a material constant known as resistivity. Conductors carry electric current. Whether a material is a conductor or an insulator depends on its atoms and on the relationship of each atom to its surrounding atoms. Définition, traduction, prononciation, anagramme et synonyme sur le dictionnaire libre Wiktionnaire. Wool is fluffy and airy so it serves as an insulator to prevent the heat of the body from escaping.

Solid ice is a poor insulator , when compared to compressed snow. If hindered from escaping by an insulator , the heat accumulates to a degree that can be exploited for generating electricity. Photo: HOerwinvia Pixabay, CC0. Various types of insulators include glass, plastic, woo and rubber.

Porcelain and glass insulation is frequently used in cases of high-voltage transmission, and glass was one of the first insulators to be widely used in the transmission of electrical currents, though since then cheaper alternatives are typically favored. Petticoat insulator definition is - an insulator made in the form of superposed inverted cups and used for high insulation. Glossary of insulator terms including definitions, abbreviations and nicknames. These terms cover both glass and porcelain pintype insulators as well as other specialty styles.

Définition , traduction, prononciation, anagramme et synonyme sur le dictionnaire libre Wiktionnaire. Sauter à la navigation Sauter à la recherche. Plastic, woo rubber and glass are examples of good insulators. A glass or porcelain device used on powerlines used to keep electricity on the line instead of going straight to ground.

Materials that conduct heat or electricity are known as conductors. Most materials are neither good conductors nor good insulators but somewhere in the middle.