insulator
Definition
An insulator is a material that does not allow heat or electricity to flow through it very easily. Some common insulators include rubber, plastic, and wood.
Insulators are used to protect people from getting shocked by electricity. They are also used to keep heat in or out of things, such as houses and refrigerators.
How can the word be used?
The electrician used rubber gloves as insulators to protect himself from electric shock.
Different forms of the word
Noun: An insulator is a material that does not conduct electricity or heat well. For example, rubber is an insulator.
Adjective: Insulating means preventing the flow of electricity or heat. For example, an insulating material is a material that prevents the flow of electricity or heat.
Etymology
The word "insulator" comes from the Latin word "insulāre", which means "to make into an island". This is a very accurate description of the meaning of the word "insulator", as it refers to a material that prevents the flow of electricity or heat, like an island prevents the flow of water.
Question
What is an insulator?