后天性 hòutiānxìng acquired; posteriority Definitions Defs Origin Strokes Stroke Words Sentences Sents 后天 後天 hòutiān acquired acquired through experience or environment after birth; the period of life following birth as opposed to 先天 xiāntiān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".