Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL:

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

The process of summing up numbers to get a total.

Usage examples (41)
  • Pam was as good at addition as she was at subtraction.
  • The addition of a bathroom was a major improvement
  • The addition of cinnamon improved the flavor
  • There was an addition to property taxes this year for more
Tutoring comment
  • The author's article was a great "addition" (part added) to the latest "edition" (specific publication).
add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google,,, and YouTube,,,,, as well as the generous Creative Commons community.