Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Expectoration
Medically reviewed by Min Clinic Staff | Updated: January 2026
Expectoration: A big polysyllabic word for sputum or the act of bringing up and spitting out sputum. From the Latin expectorare, to expel from the chest, from ex-, out of + pectus, chest.