- a level in a system of ordering things by size or amount, where each level is higher by a factor of ten数量级（量度物理量大小的标准，用以 10 为底的指数表达）
- The actual measurement is two orders of magnitude (= a hundred times) greater than we expected.实际测量结果比我们预料的大两个量级（即一百倍）。🔊🔊
- (figurative) The problem is of the same order of magnitude for all concerned.这个问题对有关各方的影响是一样大的。🔊🔊