| 单词 | subtraction |
| 释义 | subtraction (once / 11088 pages) n In math, subtraction is when you take one number away from another number. In other words, the subtraction of two from five gives you an answer of three. In school, subtraction is typically the second operation you learn in arithmetic, after addition. When a problem has you take four apples away from eight apples, that's subtraction. If you see the word minus, or the symbol -, that's also subtraction. The word itself comes from the Late Latin subtractionem, "a drawing back or taking away," from subtrahere, "take away," which combines sub, "from under," and trahere, "to pull." WORD FAMILYsubtraction: subtractions+/subtract: subtracted, subtracter, subtracting, subtraction, subtractive, subtracts/subtracter: subtracters/subtractive: subtractively USAGE EXAMPLESAt times “Julieta” suggests a melodrama by subtraction, as if the narrator were still trying to stifle memories and emotions too painful to fully confront. Los Angeles Times(Dec 20, 2016) Imports are a subtraction in the calculation of U.S. Wall Street Journal(Dec 06, 2016) Second and third graders played addition and subtraction games. New York Times(Nov 08, 2016) 1n an arithmetic operation in which the difference between two numbers is calculated the subtraction of three from four leaves one Syn|Hyper minus arithmetic operation a mathematical operation involving numbers 2n the act of subtracting (removing a part from the whole) he complained about the subtraction of money from their paychecks Syn|Ant|Hypo|Hyper deduction addition the act of adding one thing to another bite a portion removed from the whole withholdingthe act of deducting from an employee's salary decrease, diminution, reduction, step-down the act of decreasing or reducing something |
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