addition

noun

1. 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

Similar word(s): improver

Definition categories: man–made, component, constituent, element

2. 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

Definition categories: act, increase

3. a quantity that is added

- there was an addition to property taxes this year

Similar word(s): gain, increase

Definition categories: quantity

4. something added to what you already have

- he was a new addition to the staff

Similar word(s): accession

Definition categories: possession, acquisition

5. a suburban area laid out in streets and lots for a future residential area

Definition categories: location, suburb, suburbia

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

Similar word(s): plus, summation

Definition categories: act