mildewcide

[ mil-doo-sahyd, -dyoo- ]
/ ˈmɪl duˌsaɪd, -dyu- /

noun

a chemical for destroying mildew.
Also mil·dew·i·cide [mil-doo-uh-sahyd, ‐dyoo‐] /ˈmɪl du əˌsaɪd, ‐dyu‐/.

Origin of mildewcide