Focus on the pronunciation of minus
English definition of “minus”
/ˈmɑɪ·nəs/ adj [not gradable] (symbol −) (SUBTRACTION)
› less than zero: Temperatures will be dropping to minus 10. Note: Used with a number or amount. › A mark such as B-minus (B−) or C-minus (C−) given to a student’s work means that the work is slightly worse than if it were given the B or C mark.