ad·di·tion
Pronounced:
/əˈdɪʃən/
Function:
nounInflected forms:
plural ad·di·tionsMeaning:
1 [noncount] : the act or process of joining something to something else : the act or process of adding something —often + of ▪ The soup was thickened by the addition of cream in the last stage of cooking. ▪ The town welcomed the addition of three new computers to the library.
2 [noncount] mathematics : the act or process of adding numbers ▪ The children learned addition and subtraction.
3 [count] : something or someone more that is included : something or someone that is added ▪ The museum's collection includes several new additions. —usually + to ▪ an addition to the family [=a new member of the family, such as a newborn baby] ▪ The sculpture is the newest addition to the museum's collection.
4 [count] US : a part of a building that is built after the original part has been completed ▪ The addition expands the kitchen and adds a second bathroom.
2 [noncount] mathematics : the act or process of adding numbers ▪ The children learned addition and subtraction.
3 [count] : something or someone more that is included : something or someone that is added ▪ The museum's collection includes several new additions. —usually + to ▪ an addition to the family [=a new member of the family, such as a newborn baby] ▪ The sculpture is the newest addition to the museum's collection.
4 [count] US : a part of a building that is built after the original part has been completed ▪ The addition expands the kitchen and adds a second bathroom.
in addition
: as something more —used for adding information to a statement ▪ The city has the largest population in the country and in addition [=also, additionally] is a major shipping port. ▪ Sandwiches were served, and several salads in addition.
in addition to
: along with or together with (something or someone) ▪ In addition to soup, several salads were served. ▪ There were six people at the meeting in addition to me.