Inhalation

/ɪnhɐlˈe‍ɪʃən/

/ˌɪnhəˈɫeɪʃən/, /ɪnəˈɫeɪʃən/

Inhalation

the intake of air or a substance into the lungs through the process of breathing

synonyms : aspiration

a medication to be taken by inhaling it

synonyms : inhalant

Examples

1. Excessive inhalation can cause a headache, drowsiness, nausea, and a lack of coordination.

2. Inhalation of toxic substances like tobacco smoke or environmental pollutants are common causes.

3. I would say inhalation.

4. Even in the absence of such incidents, second-hand inhalation may still affect the health of children.