"extrinsic" - key terms from Wikipedia

extrinsic
extrinsic	curvature
extrinsic	evaluation
extrinsic	incubation period
extrinsic	mortality
extrinsic	motivation
extrinsic	muscles
extrinsic	rewards
extrinsic	rotations
extrinsic	sensors
extrinsic	value
extrinsic	variables