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insulator Definition

in·su·la·tor (in′sə lāt′ər; -so̵o-, -syo̵o-)

noun

anything that insulates; specif.,
  1. a nonconductor of electricity, heat, or sound
  2. a device, as of glass or porcelain, for insulating and supporting electric wires
insulator Synonyms

insulator

n.

nonconductor, nonconveyor, nontransmitter; see insulation 2.

insulator Telecom Definition
  1. A material that does not conduct electricity, heat, light, etc.
  2. In the context of telecommunications, an insulator is a material that does not conduct electricity, i.e., a dielectric. See also conductor and dielectric.
insulator Usage Examples

Converse of object

  • use: We can use insulators to prevent electric current flowing to places where we don't want it.
  • call: Materials which do not allow an electric current to flow well are called insulators.
  • have: Or do you have a insulator of some type?
  • make: Ask children for their ideas as to how we could investigate which materials would make the best thermal insulators.

Adjective modifier

  • thermal: The air gap creates a thermal insulator with the third layer enabling all the moisture to escape at its own rate.
  • electrical: Ceramic spark plugs, which are electrical insulators, have had a large impact on society.
  • ceramic: Therefore, soft ferrites, which are ceramic insulators, become the most desirable material.
  • sound: To complete the lesson, the pupils discussed why they thought cotton wool was the best sound insulator.
  • excellent: Wood is renewable, has low embodied energy and is an excellent insulator.
  • good: A: No, the Caves are sandstone, a good heat insulator.

Modifies a noun

  • nose: The insulator nose is of improved design, allowing better gas flow around the firing end.
  • element: A main focus of our work is to determine what activities the barrier proteins recruit to the insulator element.
  • surface: This is because oil particles are not blown away by air circulating around the engine compartment and thus adhere to the insulator surface.
  • transition: Observation of the Mott insulator transition and of state-dependent transport of atoms in a lattice provide other tools needed to execute quantum information processing.
  • tip: Since the insulator tip is the hottest part of the spark plug, the tip temperature is a primary factor in preignition and fouling.
  • material: Insulator material made of 95 % aluminum oxide - good thermal conductivity and stronger.

Noun used with modifier

  • chromatin: Jacqueline is currently supported by the AICR to study the control of DNA methylation by a chromatin insulator.
  • porcelain: Take care not to contact the porcelain insulator or the center electrode as they can be easily damaged.
  • heat: A: No, the Caves are sandstone, a good heat insulator.
  • glass: During each trial the lights were turned off and I placed a sheet of film on the glass plate insulator, emulsion side up.