addition
gb/ədˈɪʃən/ us/ədˈɪʃən/
A1
English
~ 1000
Senses
0 senses
Noun
A2
action
1
act or process of adding
The act of adding something to something else.
Usage pattern:
the addition of [something] to [something]
Common mistake:
Learners sometimes confuse 'addition' with 'addiction' because they sound similar but have unrelated meanings.
Synonyms
inclusion (Focuses on bringing something into a group rather than on the act of combining quantities.)
Antonyms
removal (Refers to taking something away rather than adding it.)
Collocations
in addition
|the addition of
|welcome addition
|addition process
|addition operation
Themes
mathematics
|daily life
|core_vocabulary
Examples
- The addition of new staff has improved the team's performance.
- Her latest book is a wonderful addition to my library.
- The addition of salt improved the flavor.
Learner examples
- The addition of sugar made the tea sweet.
- We are happy about the addition of a new player.
- The addition of a lamp made the room brighter.
Noun
A2
entity
2
thing that is added
A new thing that is put with something that was there before.
Usage pattern:
an addition to [something]
Synonyms
supplement (Implies something that is added to improve or complete another thing.)
Antonyms
subtraction (In mathematics or general use, refers to taking away rather than adding.)
Collocations
new addition
|latest addition
|welcome addition
Themes
daily life
|core_vocabulary
Examples
- Their baby daughter is the latest addition to the family.
- The garage is a recent addition to the house.
- This chair is a welcome addition to our office.
Learner examples
- This toy is a new addition to my collection.
- The new room is an addition to the school.
- A cat is the latest addition to our home.
Noun
technical
A1
action
3
mathematical adding process
The math action of putting numbers together to find the total.
Synonyms
sum (Refers to the result of addition, not the process.)
Antonyms
subtraction (The opposite mathematical operation, removing one number from another.)
Collocations
simple addition
|perform addition
|addition problem
Themes
mathematics
|education
|science
Examples
- Addition is one of the first math skills children learn.
- In this exercise, you will practice addition and subtraction.
- The teacher explained how addition works with large numbers.
Learner examples
- I can do simple addition.
- We learn addition in math class.
- Addition means putting numbers together.
Grammar
Dictionary form
addition
IPA
GB/ədˈɪʃən/
US/ədˈɪʃən/
Syllables & stress
ad - di - tion (3 syllables)
Stress on 2nd syllable (di)
Word forms
Noun
- Base: addition
- Plural: addition, additions
Word family
Expressions
in addition to
1/ˈɪn ədˈɪʃən tə/
fixed phrase
together with; as well as
Used to say that something is with another thing.
Examples
- In addition to working full-time, she volunteers at a shelter.
- In addition to the main dish, we had salad and bread.
in addition
1/ˈɪn ədˈɪʃən/
fixed phrase
also; as an extra fact
Used to say there is one more fact or thing, often in writing.
Examples
- In addition to his salary, he receives bonuses.
- The course is free; in addition, all materials are provided.
- She speaks French and, in addition, she can write it well.
- She plays the piano and, in addition, teaches music at a local school.
- The job offers a good salary and, in addition, flexible working hours.