1. devices that convert liquid into vapor or gas, especially for medical or recreational inhalation
2. humidifiers that add moisture to air by creating water vapor

Examples

• The doctor recommended using vaporizers to help with her breathing problems.
• Many people prefer vaporizers over traditional smoking methods.
• The pharmacy sells several types of medical vaporizers.
• Cool-mist vaporizers can help relieve dry air in bedrooms.
• Essential oil vaporizers are popular for aromatherapy.
• The hospital uses vaporizers to deliver medication to patients.
• Ultrasonic vaporizers operate more quietly than steam models.