extrinsic

/ek-ˈstrin-zik/

French & Late Latin; French extrinsèque, from Late Latin extrinsecus, from Latin, adverb, from without; akin to Latin exter outward and to Latin sequi to follow

adjective

  1. not forming part of or belonging to a thing : extraneous

  2. originating from or on the outside; especially : originating outside a part and acting upon the part as a whole

  3. external

extrinsic extraneous foreign alien mean external to a thing, its essential nature, or its original character. extrinsic applies to what is distinctly outside the thing in question or is not contained in or derived from its essential nature. extraneous applies to what is on or comes from the outside and may or may not be capable of becoming an essential part.

noun

  1. vitamin b12