虚无假设 xūwújiǎshè null hypothesis Origin Definitions Defs Strokes Stroke Words Sentences Sents 虚无 虛無 xūwú nothingness nothingness; emptiness; nihility假设 假設 jiǎshè noun hypothesis a hypothesis, postulate, or conjecture in scientific research or logical reasoning that has yet to be proven; also called a 假说 jiǎshuō