addition
addition
ad·di·tion
/əˈdıʃən/ noun , pl -tions
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.
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.
