EXTRINSIC

extrinsic. Extrinsic, a. outward, external, foreign, strange

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Ex‐trin″sic (?), a. [[L. extrinsecus; exter on the outside + secus otherwise, beside; akin to E. second: cf. F. extrinsèque. See Exterior, Second.]] 1. 1. Not contained in or belonging to a body; external; outward; unessential; — opposed to intrinsic.
The extrinsic aids of education and of artificial culture. I. Taylor. 2. 2. (Anat.) Attached partly to an organ or limb and partly to some other part; — said of certain groups of muscles. Opposed to intrinsic.