insulator
an object that doesn’t conduct heat well
An insulator is a material that does not easily conduct electricity or heat. Insulators are used to prevent electrical current from flowing between conductors or to keep heat from escaping or entering a system. In electrical circuits, insulators are used to separate the conductors to prevent short circuits and electric shocks. Examples of insulators include rubber, glass, and certain plastics. In buildings, insulation is used to keep the inside temperature stable by preventing heat loss or gain through walls, roofs, and floors. Good insulators are materials with high resistivity, low thermal conductivity, and low dielectric constant. Insulators have a wide range of applications in various industries such as electronics, construction, and engineering.
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