tetrahydrozoline

[ te-truh-hahy-droz-uh-leen ]
/ ˌtɛ trə haɪˈdrɒz əˌlin /

noun Pharmacology.

a compound, C13H16N2, used in the treatment of nasal congestion and certain conditions of eye irritation.

Origin of tetrahydrozoline

tetra- + hydro-2 + (imida)zol + -ine2