addition
/əˈdɪʃ.ən/ noun
Forms additions
- noun (uncountable) The act of adding anything. “The addition of five more items to the agenda will make the meeting unbearably long.”
- noun Anything that is added.
- noun (uncountable, arithmetic) The arithmetic operation of adding.
- noun (music) A dot at the right side of a note as an indication that its sound is to be lengthened one half.
- noun (chiefly law) A title annexed to a person's name to identify him or her more precisely.
- noun (heraldry) Something added to a coat of arms, as a mark of honour.
- noun (organic chemistry) an organic reaction where two or more molecules combine to form a larger one (the adduct).
Synonyms
adding annexation inclusion infusion extra supplement add-on improver increase gain accession summation plus
Antonyms
Etymology
Sense of “what is added” dates from 14th century, from Middle English addicioun, addition, from Old French adition, from Latin additiōnem, accusative singular of additiō, from addō (“add, put”).
Webster’s 1913
- noun The act of adding two or more things together; --opposed to subtraction or diminution. "This endless addition or addibility of numbers." Locke.
- noun Anything added; increase; augmentation; as, a piazza is an addition to a building.
Etymology [F. addition, L. additio, fr. addere to add.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “addition”, CC BY-SA 4.0. Details