1.Definition: a component that is added to something to improve it

"The addition of a bathroom was a major improvement", "The addition of cinnamon improved the flavor"

Related Noun(s):improver

Category: Objects

2.Definition: a quantity that is added

"There was an addition to property taxes this year", "They recorded the cattle's gain in weight over a period of weeks"

Related Noun(s):gain, increase

Category: General

3.Definition: a suburban area laid out in streets and lots for a future residential area

Category: Places

4.Definition: something added to what you already have

"The librarian shelved the new accessions", "He was a new addition to the staff"

Related Noun(s):accession

Category: General

5.Definition: the act of adding one thing to another

"The addition of flowers created a pleasing effect", "The addition of a leap day every four years"

Category: General

6.Definition: the arithmetic operation of summing; calculating the sum of two or more numbers

Related Noun(s):plus, summation

Category: General