1. the process of supplying fresh air to a room or building and removing stale air
2. a system of equipment used to provide fresh air circulation
3. the act of discussing or expressing something openly
Usage: formal

Examples

• The old building had poor ventilation and felt stuffy.
• We installed new ventilation in the kitchen to remove cooking odors.
• The hospital room’s ventilation system filtered the air continuously.
• Open the windows to improve ventilation in the classroom.
• The mine required proper ventilation for worker safety.
• The meeting allowed for ventilation of everyone’s concerns.
• Good ventilation prevents mold growth in bathrooms.