Focus on the pronunciation of addition
English definition of “addition”
› [C] something extra that is added to something: an addition to sth The company provides a compensation package which amounts to an addition to the employee's salary.
› [U] the act of adding something to something else: the addition of sth to sth The addition of women to the board was a deliberate diversity strategy.
› [C] US (UK extension) a new part added to a building: an addition to/on sth The commissioners plan to build an addition on the front of the building.
in addition to sth › used for saying that something else exists or is included: In addition to movies, the company also published magazines.