Definition

A substance that is coughed up from the lungs or airways, often containing mucus, saliva, and other materials, usually associated with respiratory illnesses.

Example

The doctor asked for a sample of sputum to test for infection.

Conversation

I heard you were feeling under the weather, how's it going?

Not great, I’ve been coughing up a lot of sputum.

That sounds uncomfortable, have you seen a doctor yet?

Yeah, they said it’s just a cold, but the sputum is really annoying.

Synonyms & Antonyms

Root Explanation

Sputum originates from Latin 'sputum' (meaning spittle or saliva). It refers to the matter that is coughed up from the respiratory tract, often containing mucus and other substances.

Memory Tip

Think of 'spittle' in Latin, which helps you remember that 'sputum' refers to the fluid expelled from the mouth, especially when coughing.

Visually Confused Words