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(of a detecting device) able to detect sources of infrared radiation:
a heat-seeking camera
(of a missile) able to detect and follow a source of heat, as from an aircraft engine:
a heat-seeking missile
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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