naphazoline
noun
na·phaz·o·line
| \ nə-ˈfaz-ə-ˌlēn
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Medical Definition of naphazoline
: a base derived from naphthalene and imidazoline and used topically in the form of its hydrochloride C14H14N2·HCl especially to relieve nasal congestion and itching and redness of the eyes