[eg-zap-tey-shuhn, ek-sap-]
noun Biology.
a process in which a feature acquires a function that was not acquired through natural selection.
a feature having a function for which it was not originally adapted or selected.
a morphological or physiological feature that predisposes an organism to adapt to a different environment or lifestyle.
predisposition toward adaptation.

exapted, adjective
exaptive [eg-zap-tiv, ig-, ek-sap-] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To exaptive
Explore Dictionary.com
Previous Definition: exaptation
Next Definition: exarate
Words Near: exaptive
More from Thesaurus.com
Synonyms and Antonyms for exaptive
More from Reference.com
Search for articles containing exaptive
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Related Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature