A material which prevents attack, because if any destructive energy touches a corbomite vessel, a reverse reaction of equal strength is created, destroying the attacker.

A part of a bluff, the Corbomite Manoeuvre, used by Captain James T Kirk to protect the USS Enterprise NCC-1701.
"Dude, he was totally gonna punch me, but I got away using the Corbomite Manoeuvre."
by DDude700 December 2, 2008
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