ex ‧ trin ‧ sic /ekˈstrɪnsɪk, -zɪk/ BrE AmE adjective formal
[ Date: 1500-1600 ; Language: French ; Origin: extrinsèque , from Latin extrinsecus 'from outside' ]
coming from outside or not directly relating to something OPP intrinsic :
Staff who complete extra qualifications receive no extrinsic rewards (=no extra money etc) .
a combination of intrinsic and extrinsic factors