对偶性 duì'ǒuxìng duality Definitions Defs Origin Strokes Stroke Words Sentences Sents 对偶 對偶 duì'ǒu dual (bound form) relating to duality in mathematics or physics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".