Peronospora peronospora • peronosporaceae · · · Info · Definitions · Characters · · Peronospora · · Text Latin · · Script 11 · · Length 5 · · Syllables Definitions · · · (noun) genus of destructive downy mildews. Synonyms: genus Peronospora. · · Noun Definition 1 Characters · · P latin capital letter p U+0050 a latin small letter a U+0061 e latin small letter e U+0065 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073