Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A material that insulates, especially a nonconductor of sound, heat, or electricity.
- noun A device that insulates.
from The Century Dictionary.
- noun One who or that which insulates; specifically, a substance or body that interrupts the communication of electricity or heat to surrounding objects; a non-conductor; anything through which an electric current will not pass.
from the GNU version of the Collaborative International Dictionary of English.
- noun One who, or that which, insulates.
- noun (Elec. & Thermotics) A substance or object that insulates; a nonconductor.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
substance that does nottransmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator). - noun A
non -conductive structure ,coating ordevice that does nottransmit sound, heat or electricity (see image)
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a material such as glass or porcelain with negligible electrical or thermal conductivity
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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A measure of whether a semiconductor most resembles a conductor or an insulator is given in the band gap - the amount of energy needed to produce moving charge-bearers in the form of electrons and "holes".
Information for the Public - The 2000 Nobel Prize in Physics 2000
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This forms an insulator which is not affected by heat or moisture.
Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. George Patterson 1910
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The material is also an excellent insulator, and is flexible, making it appropriate in areas at risk of earthquakes.
Sustainable Design Update » Blog Archive » Low Cost Paper House for Slum Dwellers 2009
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Durring ice fishing I put a small minnow or smelt about 6-10 inches below the ice and cover the hole with a insulator on the tip up.
What dates are the best time for catching Brook Trout in Maine??? 2009
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Besides serving as a coolant and insulator, mineral oil, a byproduct of petroleum distillation, has many other uses, including as a laxative.
Mineral oil leaks from Pepco facility Martin Weil 2011
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(In reality, the sheet might do better than the extra glass because it traps air underneath — also a better insulator than glass!)
Jason Haas can’t find lightweight bottles that don’t look cheap | Dr Vino's wine blog 2010
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And the crowning glory, the "green" sedum roof – actually more of a russet colour – on the Newton building, which acts as a natural insulator, helps prevents flash flooding and provides a haven for birds, bees and butterflies.
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Durring ice fishing I put a small minnow or smelt about 6-10 inches below the ice and cover the hole with a insulator on the tip up.
What dates are the best time for catching Brook Trout in Maine??? 2009
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Although I am sure it would be hard for her to get brain freeze as air is an awesome insulator!
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Glass is a very poor insulator (R-0. 24 per inch), which is why houses with single-pane windows lose so much heat.
Jason Haas can’t find lightweight bottles that don’t look cheap | Dr Vino's wine blog 2010
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