Addition – Definition & Meaning

Addition is a fundamental mathematical operation that involves combining two or more numbers to obtain a sum. It is one of the four basic arithmetic operations, alongside subtraction, multiplication, and division. Addition is used in various fields, including finance, science, and engineering, to perform calculations and solve problems.


Addition is defined as the process of finding the sum of two or more numbers or quantities. It is a mathematical operation that involves adding two or more values to obtain a single result. Addition is also used to describe the process of joining two or more things together to form a larger whole.


The origin of addition can be traced back to ancient civilizations, such as the Babylonians and Egyptians, who used various methods to perform calculations. The concept of addition as we know it today was first introduced by the Greek mathematician Euclid in his book “Elements” around 300 BC.

Meaning in different dictionaries

The meaning of addition is consistent across different dictionaries. It is defined as the act of adding or combining two or more things to form a larger whole or sum. In mathematical terms, addition is defined as the process of finding the sum of two or more numbers or quantities.


Addition is associated with several concepts, including arithmetic, mathematics, calculation, sum, total, and increase. It is also associated with various fields, such as finance, science, and engineering, where it is used to perform calculations and solve problems.


Some synonyms of addition include:

  • Summation.
  • Total.
  • Plus.
  • Increase.
  • Aggregation.
  • Combination.
  • Union.
  • Integration.
  • Appendage.
  • Supplement.


Some antonyms of addition include:

  • Subtraction.
  • Reduction.
  • Minus.
  • Decrease.
  • Deduction.
  • Diminution.
  • Depletion.
  • Removal.
  • Exclusion.

The same root words

Some words that share the same root as addition include:

  • Addend.
  • Additive.
  • Addle.
  • Address.
  • Adjective.
  • Adjoin.
  • Adjunct.
  • Admix.

Example Sentences

  • I need to use addition to calculate the total cost of my groceries.
  • The addition of a new wing to the hospital will increase its capacity.
  • The teacher asked the students to perform addition and subtraction exercises.
  • The company’s profits have seen a significant addition this quarter.
  • The addition of salt to the recipe enhanced the flavor of the dish.
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