Daily Almanac for
Nov 30, 2009
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heat' shield"



Aerospace.
a coating or structure that surrounds part of the nose cone or other vulnerable surfaces of a spacecraft and, by heat absorption or ablation, protects them from excessive heating during reentry.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

heat-sealheat sink
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