inhalation meaning
EN
[-eɪʃən] WInhalation
- Inhalation (also known as inspiration) is the flow of air into an organism. It is a vital process for all human life. In humans it is the movement of air from the external environment, through the airways, and into the alveoli.
- Inhalation begins with the contraction of the muscles attached to the rib cage; this causes an expansion in the chest cavity.
- Other muscles that can be involved in inhalation include:
- External intercostal muscles
- Scalene muscles
- Sternocleidomastoid muscle
- Trapezius muscle
FR inhalation 
- NounPLinhalationsSUF-ation
- The act of inhaling; inbreathing.
- The substance (medicament) which is inhaled.
- The act of inhaling; inbreathing.
Definition of inhalation in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Nouns
- fr inhalation
- en inhalations
- fr inhalations
- en inhalational
Source: Wiktionary
Grammatically, this word "inhalation" is a noun, more specifically, a countable noun.