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Webster 1913 Edition


Insulation

Inˊsu-la′tion

,
Noun.
1.
The act of insulating, or the state of being insulated; detachment from other objects; isolation.
2.
(Elec. & Thermotics)
The act of separating a body from others by nonconductors, so as to prevent the transfer of electricity or of heat; also, the state of a body so separated.

Webster 1828 Edition


Insulation

INSULA'TION

,
Noun.
The act of insulating; the state of being detached from other objects.
1.
In electrical experiments, that state in which the communication of electrical fluid is prevented by the interposition of an electric body.

Definition 2023


insulation

insulation

English

Noun

insulation (countable and uncountable, plural insulations)

  1. The act of insulating, or the state of being insulated; detachment from other objects; isolation.
    • 2013 March 1, Nancy Langston, “Mining the Boreal North”, in American Scientist, volume 101, number 2, page 98:
      Reindeer are well suited to the taiga’s frigid winters. They can maintain a thermogradient between body core and the environment of up to 100 degrees, in part because of insulation provided by their fur, and in part because of counter-current vascular heat exchange systems in their legs and nasal passages.
  2. Any of a variety of materials designed to reduce the flow of heat, either from or into a building.
  3. (engineering) The act of separating a body from others by nonconductors, so as to prevent the transfer of electricity, heat, or sound
  4. (engineering) The state of a body so separated.
  5. (electrical) a medium in which it is possible to maintain an electrical field with little supply of energy from additional sources.

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