activity Hear it!

activity definition

ac·tiv·ity (ak tiv′ə tē)

noun pl. activities -·ties

  1. the quality or state of being active; action
  2. energetic action; liveliness; alertness
  3. a normal function of the body or mind
  4. an active force
  5. any specific action or pursuit recreational activities
  6. Chem.
    1. the ability to react with other chemicals
    2. a thermodynamic quantity which represents the effective concentration of a substance in a reacting chemical system
    3. optical activity

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.
Related Discussions (1)
TopicRepliesLatest Post
Using same word for activity and those engaged in it611 months ago

Browse Forums