reactive

reactive definition - medical

re·ac·tive (rē-ăkˈtĭv)

adjective
  1. Tending to be responsive or to react to a stimulus.
  2. Characterized by reaction.
  3. Tending to participate readily in chemical reactions.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.