The difference between Expiration and Inhalation

When used as nouns, expiration means the act of expiring, whereas inhalation means the act of inhaling.

check bellow for the other definitions of Expiration and Inhalation

Expiration as a noun:

The act of expiring.
Expiration as a noun:

The act or process of breathing out, or forcing air from the lungs through the nose or mouth

Examples:

"respiration consists of inspiration and expiration"
Expiration as a noun:

Emission of volatile matter; exhalation.
Expiration as a noun (euphemism):

The last emission of breath; death.
Expiration as a noun:

A cessation, extinction, ending
Expiration as a noun:

That which is produced by breathing out, as a sound.