bronchodilator
Concise Oxford English Dictionary © 2008 Oxford University Press:
bronchodilator /ˌbrɒŋkə(ʊ)dʌɪˈleɪtə/
▶noun Medicine a drug that causes widening of the bronchi, e.g. any of those taken by inhalation for the alleviation of asthma.
– derivatives
bronchodilation noun.
bronchodilation noun.
'bronchodilator' also found in these Oxford entries:

