Getting Your ATP Certificate. Achieving the highest level of pilot certification is harder than ever. Here is how to do it. The Airline Transport Pilot Multi-Engine certificate is the crown jewel of pilot ratings and is required for pilots flying passengers or cargo under Part 121 and some Part 135 operations.
â¢ BRONCHODILATOR (noun). The noun BRONCHODILATOR has 1 sense: 1. a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs. Familiarity information: BRONCHODILATOR used as a noun is very rare. Dictionary entry details.
A bronchodilator is a substance that dilates the bronchi and bronchioles, decreasing resistance in the respiratory airway and increasing airflow to the lungs. Bronchodilators may be endogenous (originating naturally within the body), or they may be medications administered for the treatment of breathing difficulties.They are most useful in obstructive lung diseases, of which asthma and chronic obstructive pulmonary disease are the most common conditions.ronchodilators may be endogenous (originating naturally within the body), or they may be medications administered for the treatment of breathing difficulties. They are most useful in obstructive lung diseases, of which asthma and chronic obstructive pulmonary disease are the most common conditions.