subtraction
UK/səb'trækʃən/US/sәb'trækʃәn/
TOEFLB1
Definitions
n.
The arithmetic operation of taking one number away from another
减法
Root Breakdown
Root-derivedsub- + tract + -ion = 'the act of pulling away from under' — the noun for subtracting; see subtract.
Root tra still carries 109 more wordsCommon Collocations
- 1.addition and subtraction加减法
- 2.perform subtraction做减法运算
Example Sentences
- 1.
Children learn addition before they learn subtraction.