| 单词 | subtraction |
| 释义 | subtraction /seuhb trak"sheuhn/, n. 1. an act or instance of subtracting. 2. Math. the operation or process of finding the difference between two numbers or quantities, denoted by a minus sign (-). [1350-1400; ME < LL subtraction- (s. of subtractio) a withdrawing, equiv. to subtract(us) (see SUBTRACT) + -ion- -ION] |
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