塑性 sùxìng plasticity Definitions Defs Origin Strokes Stroke Words Sentences Sents 塑 sù noun plastic (bound form) Plastic, referring to synthetic materials or polymers.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".