subtraction

CET-4 高中

n. 减少 [计] 减法

发音

其它 /səbˈtɹækʃən/

词形变化

subtractions 复数 subtractions

别名

substraction

教材释义与例句

名词

[数] 减法；减少；差集

the process of taking a number or amount from a larger number or amount

释义与例句

n.
  1. 1.

    The process of subtracting a number from another.

    减法

    不可数 可数
  2. 2.

    A calculation involving subtracting.

    可数 不可数

    The teacher has set us ten subtractions to do by tomorrow.

  3. 3.

    The removal of something.

    可数 不可数

    The subtraction of the wealth from the economy will result in recession.

词汇关系

名词

同义词 2

minus deduction

反义词 1

addition

上位词 5

reduction decrease arithmetic operation diminution stepdown

下位词 2

bite withholding

词源

Borrowed from Late Latin subtractio, subtractionis. Can be decomposed to subtract + -ion.

来源：wiktionary