bronchodilator vs medication

bronchodilator and medication both are nouns.

Word	Noun	Adjective	Verb	Adverb
bronchodilator	Yes	No	No	No
medication	Yes	No	No	No

As nouns, medication is a hypernym of bronchodilator; that is, medication is a word with a broader meaning than bronchodilator:

bronchodilator: a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs
medication: (medicine) something that treats or prevents or alleviates the symptoms of disease

Other hypernyms of bronchodilator include medicament, medicinal drug, medicine.

bronchodilator (noun)	medication (noun)
a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs	the act of treating with medicines or remedies
	(medicine) something that treats or prevents or alleviates the symptoms of disease