/'maɪnəs; `maɪnəs/
prep
1 (mathematics 数) with the deduction of; less 减; 减去
*Seven minus three equals four (7
3 = 4). 七减三等于四.
2 below zero 零下
*a temperature of minus ten degrees centigrade (-10C) 零下十摄氏度的温度（-10C）.
3 (infml 口) without or lacking; deprived of 无; 缺少; 减少
*He came back from the war minus a leg. 他打仗回来, 少了一条腿.
* I'm minus my car today, eg because it's being repaired. 今天我没汽车了（如正在修理）. Cf 参看 plus.

adj
1 (mathematics 数) negative 负的
*a minus quantity, ie a quantity less than zero (eg -2x2) 负量（小于零, 如-2x2）.
2 [pred 作表语] (of marks or grades) of a standard slightly lower than the one stated （指分数或等级）略低于某标准
*I got B minus (B-) in the test. 我测验得个B-.

n
1 (also minus sign) the mathematical symbol 减号, 负号（-）. =>App
4 见附录4.
2 (infml 口) disadvantage or drawback 不利; 不足; 缺点
*Let's consider the pluses and minuses of moving house. 咱们考虑一下搬家的利弊吧. Cf 参看 plus.