1. Mucus and other fluids formed in the air passages and upper food passages (the mouth), and expelled by coughing.

See: sputum.

2. The act of spitting; the expelling from the mouth of saliva, mucus, and other material from the air or upper food passages.

Synonym: spitting.

Retrieved from "http://www.biology-online.org/bodict/index.php?title=Expectoration&oldid=675"
First | Previous (Expectorated) | Next (Expects) | Last
Please contribute to this project, if you have more information about this term feel free to edit this page.