Definition of addition
- The addition expanded the kitchen.
- The clerk was a recent addition to the staff.
- a recipe enhanced by the addition of freshly ground pepper
- schoolchildren learning about addition and subtraction
The children learned addition and subtraction.
The museum's collection includes several new additions.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'addition.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: the act or process of joining something to something else : the act or process of adding something
mathematics : the act or process of adding numbers
: something or someone more that is included : something or someone that is added
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