Definition of "exhalation" []

• The act or an instance of exhaling. (noun)
• Something, such as air or vapor, that is exhaled. (noun)

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.

• "A copious _exhalation_ of moisture takes place in breathing, which presents a striking analogy to the exhalation from the surface of the skin already described."
• "Some writers look upon Fumid exhalation, which is a compound of"
• "And the mixture of respiration with the air always makes some new exhalation which is altered and changed by the flux of the air coming from abroad and again going out."