膨脹性 péngzhàngxìng expansibility Origin Definitions Defs Strokes Stroke Words Sentences Sents 膨胀 膨脹 péngzhàng verbnoun to expand to expand, swell, or inflate in size; to increase in volume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".