American English

How to pronounce addition

nounB1Common word
uhDIHshn

/əˈdɪ.ʃn̩/

3 syllables · Stress the second syllable.

The act of putting one thing together with another thing.

Practice out loud

Meanings & examples

noun

The act of putting one thing together with another thing.

The addition of salt improved the soup.

The addition of a new member strengthened the team.

Common phrases & grammar

the addition of sugar

the addition of + noun + to + noun

with the addition of + noun

noun

A person or thing that is added to a group, set, or place.

The new employee is a valuable addition to our team.

This lamp is a welcome addition to the room.

Common phrases & grammar

a welcome addition · a valuable addition

an addition to + noun

a welcome addition to + noun

noun

The process of calculating a total by putting numbers together.

The addition of 7 and 5 gives 12.

She learned addition before multiplication.

Common phrases & grammar

addition and subtraction

the addition of + number + and + number

the addition of + number + to + number

nounless common

A new part added to a building, especially a house.

They built an addition onto the back of the house.

The kitchen is a recent addition to the building.

Common phrases & grammar

home addition

build + an addition + onto + noun

an addition to + building

Useful expressions

in addition

also; as well

The hotel is cheap; in addition, it is clean.

in addition to

besides; as well as

In addition to English, she speaks Spanish.

Related words & forms