1. having had air removed or reduced; subjected to the removal of air or gas
Usage: technical; often used in industrial, scientific, or manufacturing contexts

Examples

• The deaired water was used in the precision manufacturing process.
• Deaired concrete has fewer air pockets and greater strength.
• The laboratory required deaired samples for accurate testing.
• Deaired oils are preferred in high-performance hydraulic systems.
• The deaired mixture was carefully poured into the mold.