Not forming an essential or inherent part of a thing; extraneous.(adjective)
Originating from the outside; external.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "extrinsic" in a sentence
""Changes in extrinsic fluorescence in squid axons during voltage-clamp," Science 169, 1322 – 1324 (1970)."
"Intrinsic rewards are more important than extrinsic (or at least short-term extrinsic rewards)."
"Numerous psychological studies have found a general trade-off between the pursuit of so-called extrinsic aspirations — such as wealth, but also fame and image — and intrinsic aspirations, such as building and maintaining strong personal relationships."