14 letters · 22 points in Scrabble
noun a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs
originEtymology tree Ancient Greek βρόγχος (brónkhos)der. English broncho- English dilate English -or English dilator English bronchodilator From broncho- + dilator.
Etymology from Wiktionary, CC BY-SA 3.0