RhymeZone: oxymetazoline definitions

Definitions of oxymetazoline:

noun: (medicine, pharmacology) A sympathomimetic drug with vasoconstrictive activity that is used in the form of its hydrochloride C₁₆H₂₄N₂O·HCl chiefly as a topical nasal decongestant, developed from xylometazoline.

(Definitions from Wiktionary)