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sympathin

British  
/ ˈsɪmpəθɪn /

noun

  1. a substance released at certain sympathetic nerve endings: thought to be identical with adrenaline

"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

Etymology

Origin of sympathin

C20: from sympath ( etic ) + -in

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