addition

ad-di-tion · noun

imported

Definitions

noun

  1. 1.

    The action or process of adding something to something else.

  2. 2.

    A person or thing added or joined.

  3. 3.

    [mathematics]The process of calculating the total of two or more numbers.

  4. 4.

    An extra part built onto a house or building.

Forms

plural: additions

Phrases & expressions

  • •
    in addition — As well; besides.
  • •
    in addition to — As well as; besides.
  • •
    addition to — Something added.
  • •
    welcome addition — A positive new element.

Related words

Antonyms: reduction, removal, subtraction
See also: add, added, additional, plus
Synonyms: appendage, extra, increase, supplement

Etymology

From Latin additio ("an adding to"), from addere ("to add"), from ad- ("to") + dare ("to give").