'Extrinsic' definitions:

Definition of 'extrinsic'

From: WordNet
adjective
Not forming an essential part of a thing or arising or originating from the outside; "extrinsic evidence"; "an extrinsic feature of the new building"; "that style is something extrinsic to the subject"; "looking for extrinsic aid" [ant: intrinsic, intrinsical]

Definition of 'Extrinsic'

From: GCIDE
  • Extrinsic \Ex*trin"sic\, a. [L. extrinsecus; exter on the outside + secus otherwise, beside; akin to E. second: cf. F. extrins[`e]que. See Exterior, Second.]
  • 1. Not contained in or belonging to a body; external; outward; unessential; -- opposed to intrinsic. [1913 Webster]
  • The extrinsic aids of education and of artificial culture. --I. Taylor. [1913 Webster]
  • 2. (Anat.) Attached partly to an organ or limb and partly to some other part; -- said of certain groups of muscles. Opposed to intrinsic. [1913 Webster]