1. Education
You can opt-out at any time. Please refer to our privacy policy for contact information.

Discuss in my forum

Definition of Air


Top Related Searches
  • gases
  • mixture
  • atmosphere
  • earth
  • Definition: Air is the general name for the mixture of gases that makes up the Earth's atmosphere.

    Air is also an early chemical term for a type of gas. Many individual airs made up the air we breathe. Vital air was later determined to be oxygen, phlogisticated air became nitrogen.

    ©2014 About.com. All rights reserved.