subtraction has definitions from the field of mathematics
1
[ noun ] (mathematics) an arithmetic operation in which the difference between two numbers is calculated

Synonyms

minus

Examples

"the subtraction of three from four leaves one" "four minus three equals one"

2
[ noun ] the act of subtracting (removing a part from the whole)

Synonyms

deduction

Examples

"he complained about the subtraction of money from their paychecks"

*