Definition, synonyms and related words
plural of addition
"The renovation included several new additions to the house, such as a sunroom and an extra bedroom."
In plain English: Additions are new things that have been added to something else.
"The new library included several helpful additions to its collection of books."
Usage: Use "additions" to refer to items, people, or features that have been added to something existing, such as new rooms in a house or extra ingredients in a recipe. Avoid using it when you simply mean the mathematical operation of combining numbers.
Derived from the Latin additionem, this plural noun stems from the verb addere meaning "to add." It originally referred to the act of adding something, now used specifically for items added to a whole.