addition
NounWordNet 3.0
Noun (6)
- a component that is added to something to improve it“the addition of a bathroom was a major improvement”“the addition of cinnamon improved the flavor”Synonyms: add-onimprover
- the act of adding one thing to another“the addition of flowers created a pleasing effect”“the addition of a leap day every four years”
- a quantity that is added“there was an addition to property taxes this year”“they recorded the cattle's gain in weight over a period of weeks”Synonyms: increasegain
- something added to what you already have“the librarian shelved the new accessions”“he was a new addition to the staff”Synonyms: accession
- a suburban area laid out in streets and lots for a future residential area
- the arithmetic operation of summing; calculating the sum of two or more numbers“the summation of four and three gives seven”“four plus three equals seven”Synonyms: summationplus
Webster's Dictionary (GCIDE)
1.The act of adding two or more things together; -- opposed to subtraction or diminution. "This endless addition or addibility of numbers." --Locke. [1913 Webster]
2.Anything added; increase; augmentation; as, a piazza is an addition to a building. [1913 Webster]
3.(Math.) That part of arithmetic which treats of adding numbers. [1913 Webster]
4.(Mus.) A dot at the right side of a note as an indication that its sound is to be lengthened one half. [R.] [1913 Webster]
5.(Law) A title annexed to a man's name, to identify him more precisely; as, John Doe, Esq.; Richard Roe, Gent.; Robert Dale, Mason; Thomas Way, of New York; a mark of distinction; a title. [1913 Webster]
6.(Her.) Something added to a coat of arms, as a mark of honor; -- opposed to abatement. [1913 Webster]
Vector addition (Geom.), that kind of addition of two lines, or vectors, AB and BC, by which their sum is regarded as the line, or vector, AC. [1913 Webster]
Syn: Increase; accession; augmentation; appendage; adjunct. [1913 Webster]