addition

Pronunciation

• IPA ^(key): /əˈdɪʃən/
• SAMPA: /@"dIS@n/

• Audio (US)

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Noun

Singular addition

Plural additions

A plus sign, symbol of addition

Addition

1. (uncountable) (mathematics) The part of arithmetic where numbers are added together.

   He learned addition quickly.

   An example of addition is $2+2=4$.

2. (uncountable) The act of adding something.

   The addition of 5 more topics will make the meeting very long and boring.

3. (countable) Anything that is added.

   He put an addition on the house.

Synonyms

• accumulation
• adding
• incrementing
• totaling

Antonyms

• decrementing
• removal
• subtraction
• subtracting

Related words

• add