*intrinsic*

a. [ L. intrinsecus inward, on the inside; intra within + secus otherwise, beside; akin to E. second: cf. F. intrinsèque. See Inter-, Second, and cf. Extrinsic. ] [ 1913 Webster ]

1. Inward; internal; hence, true; genuine; real; essential; inherent; not merely apparent or accidental; -- opposed to extrinsic; as, the intrinsic value of gold or silver; the intrinsic merit of an action; the intrinsic worth or goodness of a person. [ 1913 Webster ]

He was better qualified than they to estimate justly the intrinsic value of Grecian philosophy and refinement. I. Taylor. [ 1913 Webster ]

2. (Anat.) Included wholly within an organ or limb, as certain groups of muscles; -- opposed to extrinsic. [ 1913 Webster ]

Intrinsic energy of a body (Physics), the work it can do in virtue of its actual condition, without any supply of energy from without. --
Intrinsic equation of a curve (Geom.), the equation which expresses the relation which the length of a curve, measured from a given point of it, to a movable point, has to the angle which the tangent to the curve at the movable point makes with a fixed line. --
Intrinsic value. See the Note under Value, n.

Syn. -- Inherent; innate; natural; real; genuine. [ 1913 Webster ]