Definition of "heatshield" [heatshield]

• A system designed to protect what is behind it against heat. (noun)
• An ablative system designed to protect an object entering an atmosphere at high speed from the resulting very high temperature. (noun)

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• "Boeing was also providing a heatshield although it looks like the LM design is the one that will fly."
• "This would require either a hatch in the heatshield which was proven on MOL and Merkur, or a transposition and docking once reaching space, with the added weight of a docking system."
• "Then take one American, one Russian and one European in a Soyuz capsule with a beefed-up heatshield, boost it into lunar orbit on a Breeze-M upper stage, dock with the lander."