sub·trac·tion 
(səb-trăkshən)
(səb-trăkshən)n.
1. The act or process of subtracting; deduction.
2. The arithmetic operation of finding the difference between two quantities or numbers.
- incompliancy
- incompliant
- incompliantly
- incomprehensibility
- incomprehensible
- incomprehensibleness
- incomprehensibly
- incomprehension
- incomprehensive
- incomprehensively
- incompressibility
- incompressible
- incomputability
- incomputable
- inconceivability
- inconceivable
- inconceivableness
- inconceivably
- inconcinnity
- inconclusive
- inconclusively
- inconclusiveness
- incondensability
- incondensable
- incondensible