kapˈsāəsə̇n noun
( -s )
Etymology: alteration (perhaps influenced by Latin capsa box) of capsicine “an extract from cayenne pepper”, from New Latin Capsicum + English -in
: a colorless crystalline phenolic amide C 9 H 17 CONHCH 2 C 6 H 3 (OCH 3 )OH that is a powerful irritant and the pungent principle of cayenne pepper