1. plural of airlessness; the quality or state of having little or no air or ventilation
Usage: typically used in formal or technical contexts
2. plural of airlessness; the quality of being without air or oxygen
Usage: scientific or medical usage

Examples

• The airlessnesses of the sealed chambers made them unsuitable for long-term habitation.
• The various airlessnesses in different parts of the building required immediate attention from the HVAC team.
• Scientists studied the airlessnesses in the deep cave systems to understand their geological formation.
• The airlessnesses of the underground bunker posed serious health risks to the workers.
• Multiple airlessnesses were detected in the laboratory's storage areas during the safety inspection.