orthomyxovirus orthomorphic projection • orthonitroaniline · · · Info · Definitions · Characters · · orthomyxovirus · · Text Latin · · Script 14 · · Length 6 · · Syllables Definitions · · · (noun) a group of viruses including those causing influenza. · · Noun Definition 1 Characters · · h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 v latin small letter v U+0076 x latin small letter x U+0078 y latin small letter y U+0079