Definition, Meaning & Synonyms

tidal volume

noun

/ˈtaɪdəl ˈvɒljuːm/

Definition

The amount of air that is inhaled or exhaled during a normal breath.

Examples

During a healthy adult’s breathing, the tidal volume is about 500 milliliters.
Doctors measure tidal volume to determine the effectiveness of a patient’s breathing.
Increased tidal volume can occur during exercise as the body needs more oxygen.

Meaning

Tidal volume refers to the volume of air that is breathed in and out with each respiratory cycle. It is an important measure in respiratory physiology and is used to assess lung function.