1. plural of airtightness; the quality or state of being impermeable to air or completely sealed against air leakage
Usage: typically used in technical, scientific, or construction contexts
2. plural of airtightness; the quality of being logically sound or impossible to refute or challenge
Usage: figurative use; common in legal, rhetorical, or argumentative contexts

Examples

• The engineers tested the airtightnesses of several window designs before selecting the best one.
• Modern insulation standards require high airtightnesses in building envelopes to reduce energy loss.
• The lawyer emphasized the airtightnesses of her client's alibi.
• The airtightnesses of the spacecraft's seals were critical for crew safety.
• Different materials exhibit varying degrees of airtightnesses depending on their composition.
• The contract's airtightnesses left no room for misinterpretation or dispute.