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Definition of Sputum
1. Noun. Expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness.
Definition of Sputum
1. n. That which is expectorated; a salival discharge; spittle; saliva.
Definition of Sputum
1. Noun. (physiology) Matter coughed up and expectorated from the mouth, composed of saliva and discharges from the respiratory passages such as mucus, phlegm or pus. ¹
¹ Source: wiktionary.com
Definition of Sputum
1. saliva [n -TA] - See also: saliva
Medical Definition of Sputum
1. Matter ejected from the lungs, bronchi and trachea, through the mouth. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)