Extrinsic
Extrinsic , adjective
[Latin extrinsecus; exter on the outside + secus otherwise, beside; akin to English second: compare French extrinsèque. See Exterior, Second.]
1.
Not contained in or belonging to a body; external; outward; unessential; -- opposed to intrinsic.
The extrinsic aids of education and of artificial culture.
2.
(Anatomy) Attached partly to an organ or limb and partly to some other part; -- said of certain groups of muscles. Opposed to intrinsic.