airtightness
Translation
airtightness, impermeability to air
Examples
The airtightness of the container is essential.
The airtightness of the container is essential.
They tested the building's airtightness.
They tested the building's airtightness.
Grammar Patterns
((the/possessive)) airtightness ((of sth.)) The quality of being impermeable to air. The airtightness of the container is essential.
Similar Words
Synonyms: hermeticity, impermeability; Antonyms: permeability, leakiness
Etymology
From 'air' + 'tight' + '-ness' (a suffix forming nouns denoting a state or condition).
Memory Tips
Think of a container that is 'tight' against the 'air'. The '-ness' suffix turns this description into a quality or state.