The addition of five more items to the agenda will make the meeting unbearably long.
Calculating the sum of 25 and 60 is an example of addition.
The addition of a porch to the house would increase its resale value.
This painting would make a fine addition to the museum's collection.
- Also; as well.
- Over and above; besides.
- Besides; as well (as).
Origin of addition
- Middle English from Old French from Latin additiō additiōn- from additus past participle of addere to add add
From American Heritage Dictionary of the English Language, 5th Edition