B1noun1K

Addition

UK /["/əˈdɪʃn/"]/US /["/əˈdɪʃn/"]/

Definition

a thing that is added to something else

In simple words: The process of finding the total by joining numbers together.

Examples

  • In mathematics, addition is the process of calculating the total of two or more numbers.
  • The addition of new features to the app greatly improved its usability.
  • She struggled with the addition of fractions during class.
  • The addition of the two teams created a more competitive environment.
  • Since the addition of the new policy, employee satisfaction has increased.

Usage notes

Use 'addition' in mathematical contexts and discussions. It is appropriate in both formal settings (like schools) and casual conversations when talking about math.

Grammar pattern

addition + of + object

Memory hint

Think of 'add' in 'addition' as you pile blocks together.

Collocations

  • useful
  • valuable
  • welcome
  • make
  • in addition
  • addition to
  • useful
  • valuable
  • welcome
  • make
  • in addition
  • addition to
  • building
  • room
  • two-story
  • build
  • design
  • addition to
  • simple
  • do

Synonyms

  • sum
  • total
  • calculation
  • combination
  • accumulation

Antonyms

  • subtraction

Common mistakes

  • Confused with 'addition' vs 'addiction'.
  • Using 'addition' to refer to something that is added without specifying what.
  • Saying 'the addition of two and two is four' instead of 'adding two and two equals four'.