oïdium

== French == === Etymology === From Late Latin oidium, from Ancient Greek ᾠόν (ōión, “egg”). === Pronunciation === IPA(key): /ɔ.i.djɔm/ === Noun === oïdium m (plural oïdiums) powdery mildew === Further reading === “oïdium”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012