Addition | Mean of addition in English Dictionary

/əˈdɪʃən/

• Noun
• the act or process of joining something to something else
1. The soup was thickened by the addition of cream in the last stage of cooking.
2. The town welcomed the addition of three new computers to the library.
• the act or process of adding numbers
1. The children learned addition and subtraction.
• something or someone more that is included
1. The museum's collection includes several new additions.
2. an addition to the family [=a new member of the family, such as a newborn baby]
3. The sculpture is the newest addition to the museum's collection.

• a part of a building that is built after the original part has been completed
1. The addition expands the kitchen and adds a second bathroom.
• as something more
1. The city has the largest population in the country and in addition [=also, additionally] is a major shipping port.
2. Sandwiches were served, and several salads in addition.
• along with or together with (something or someone)
1. In addition to soup, several salads were served.
2. There were six people at the meeting in addition to me.