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 ventilator (VEN-til-a-tor) is a machine that supports breathing. These machines mainly are used in hospitals. Ventilators: 1  Get oxygen into the lungs. 2  Remove carbon dioxide from the body. (Carbon dioxide is a waste gas that can be toxic.)  Help people breathe easier.