addition

IPA: ʌdˈɪʃʌn

(uncountable) The act of adding anything.
Anything that is added.
(uncountable) The arithmetic operation of adding.
(music) A dot at the right side of a note as an indication that its sound is to be lengthened one half.
(chiefly law) A title annexed to a person's name to identify him or her more precisely.
(heraldry) Something added to a coat of arms, as a mark of honour.
(organic chemistry) an organic reaction where two or more molecules combine to form a larger one (the adduct).

Examples of "addition" in Sentences

In addition to the cake, we also have ice cream and cookies for dessert
The new addition to our family has brought so much joy and excitement
The teacher requested that all students complete the assignment in addition to studying for the exam
She decided to purchase the dress in addition to the matching shoes and purse
The cost of the project was higher than expected due to unexpected additions to the scope of work