addition

word

/əˈdɪʃən/
uh-DI-shuhn
/ɐdˈɪʃən/
uh-DI-shuhn

Definition

Addition is the act of putting something together with something else so there is more. It can mean adding numbers in math, or an extra thing, part, or room that is added.

Usage & Nuances

Common in both everyday and formal English. In math, 'addition' is the operation; in general use, it often means 'an extra part' or 'something newly added', as in 'a new addition to the team' or 'a kitchen addition'. Do not confuse it with the verb 'add'.

Example Sentences

In math class, we learned addition today.

basic

The new room is an addition to the house.

basic

The baby is a happy addition to the family.

basic

In addition to coffee, we also need milk and sugar.

natural

She's a great addition to the team.

natural

The extra storage was a smart addition to the kitchen.

natural