免疫性 miǎnyìxìng immunogenicity, immunity Definitions Defs Origin Strokes Stroke Words Sentences Sents 免疫 miǎnyì adjectivenoun immunity Biological resistance to a specific disease, pathogen, or toxin; to be immune性 xìng affix [-ity] Suffix used after verbs or adjectives to form nouns expressing a state, quality, or scope, similar to English "-ity", "-ness", or "-ism".