### Definition of Subtraction

1. Noun. An arithmetic operation in which the difference between two numbers is calculated. "Four minus three equals one"

Exact synonyms: Minus
Generic synonyms: Arithmetic Operation
Derivative terms: Subtract

2. Noun. The act of subtracting (removing a part from the whole). "He complained about the subtraction of money from their paychecks"
Exact synonyms: Deduction
Generic synonyms: Decrease, Diminution, Reduction, Step-down
Specialized synonyms: Bite, Withholding
Derivative terms: Deduct, Subtract

### Definition of Subtraction

1. n. The act or operation of subtracting or taking away a part.

### Definition of Subtraction

1. Noun. (arithmetic) (''uncountable'') The process of subtracting a number from another. ¹

2. Noun. (arithmetic) (''countable'') A calculation involving subtracting. ¹

3. Noun. The removal of something. ¹

¹ Source: wiktionary.com

1. [n -S]

### Subtraction Pictures

Click the following link to bring up a new window with an automated collection of images related to the term: Subtraction Images

### Literary usage of Subtraction

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Number-system of Algebra: Treated Theoretically and Historically by Henry Burchard Fine (1890)
"Limitations of Numerical subtraction. Judged by the equations 1-5, subtraction is ... It makes the range of subtraction much narrower than that of addition. ..."

2. Commentaries on the Laws of England: In Four Books by William Blackstone, George Sharswood, Barron Field (1860)
"OF subtraction. I. Fealty, suit of court, and rent are duties and services usually ... And the subtraction or non-observance of any of these conditions, ..."

3. The Teaching of Mathematics in the Elementary and the Secondary School by Jacob William Albert Young (1906)
"For written addition and subtraction larger openings could be used. ... To simplify subtraction additive subtraction has been proposed. ..."

4. Practical Arithmetic: Uniting the Inductive with the Synthetic Mode of by James Bates Thomson (1868)
"Hence, 32t subtraction is the process of finding the difference be- ... subtraction, it will be perceived, is the reverse of addition. ..."

5. Practical Electricity by Terrell Croft (1917)
"SECTION 45 THE ADDITION AND subtraction OF ALTERNATING-CURRENT VALUES 726. The Addition and subtraction of Alternating Emf and Current Values can, ..."

6. The North American Arithmetic: Part Third : for Advanced Scholars by Frederick Emerson (1834)
"subtraction. subtraction is the operation by which one number is taken from another. subtraction is performed by taking the units of each degree in the ..."

7. Engineering Mathematics: A Series of Lectures Delivered at Union College by Charles Proteus Steinmetz (1917)
"The reverse of putting a group of things together with another group is to take a group away, therefore subtraction is the reverse of addition. ..."

8. Advanced Algebra by Arthur Schultze (1905)
"What other operations would have produced the same result, as the subtraction of a negative number ? 7. If you diminish a person's debts, does he thereby ..."