heat shield definition

  • noun:
    • A barrier that prevents the heating of a place or an object by taking in, showing, or dissipating external heat, particularly a protective construction on a spacecraft or missile that dissipates heat on atmospheric reentry by melting and vaporizing.
    • A shield created of a substance that absorbs extortionate heat from an outside resource by either dissipating, reflecting or absorbing the heat.
    • a protective covering that safeguards a spacecraft from overheating on reentry

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