1. (

• subtraction ,
• minus

) an arithmetic operation in which the difference between two numbers is calculated; "the subtraction of three from four leaves one"; "four minus three equals one" ;

1. (

• minus

) on the negative side or lower end of a scale; "minus 5 degrees"; "a grade of B minus" ;

2. (

• minus ,
• negative

) involving disadvantage or harm; "minus (or negative) factors" ;