insulator insulator  /ˈɪn sə ˌleɪ tər/


  • (n) a material such as glass or porcelain with negligible electrical or thermal conductivity



  1. Setting out to make an insulator, he invented the first true plastic and transformed the world.
  2. A worker cleans the ceramic insulator pots under the live rail at Pimlico.
  3. It is waterproof, weatherproof, fireproof, and an excellent insulator, but can be sawed and nailed like wood.


  1. Research and Markets: Global Photonic Integrated Circuit (IC) & Quantum Computing Market - 2013 Report With Forecast ...

    DUBLIN--(BUSINESS WIRE)--Research and Markets ( has announced the addition of the "Photonic Integrated Circuit (IC) & Quantum Computing Market (2012 - 2022): By Application (Optical Fiber Communication, Optical Fiber Sensors, Biomedical); Components (Lasers, Attenuators); Raw Materials (Silica on Silicon, Silicon on Insulator)" report ...
    on June 20, 2013     Source: Business Wire

  2. STMicroelectronics Reveals New Technology Platform for RF Front End of Wireless Devices

    Optimized RF Silicon-On-Insulator (SOI) process greatly reduces size of multi-band radios for 4G and other high-speed wireless connections Geneva, June 19, 2013 - Booming demand for faster wireless broadband ...
    on June 19, 2013     Source: Thomson Reuters ONE via Yahoo! Finance


  1. "It is nothing to do with the level of investment or maintenance," Mr Scully said. "It's all about an unusual occurrence of light rain, humidity and dust combining to cause the electricity to arc over, jump over, an insulator."
    on Feb 12, 2006 By: Carl Scully Source:

  2. When pressed again, Congressman Forbes responded, "I think that number would be astronomical and I think one of the things you see with the current economic situation that we have, the Navy is the greatest insulator we have right now in helping this...
    on Oct 10, 2008 By: Randy Forbes Source: WVBT

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