ad·di·tion /əˈdɪʃən, æ-/
 加法;C附加,附加物,增加部分,U加


 addition
 加法指令 ADD


 addition
 增錄


 addition
 加法


 Ad·di·tion n.
 1. The act of adding two or more things together; -- opposed to subtraction or diminution. “This endless addition or addibility of numbers.”
 2. Anything added; increase; augmentation; as, a piazza is an addition to a building.
 3. Math. That part of arithmetic which treats of adding numbers.
 4. Mus. A dot at the right side of a note as an indication that its sound is to be lengthened one half. [R.]
 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.
 6. Her. Something added to a coat of arms, as a mark of honor; -- opposed to abatement.
 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.
 Syn: -- Increase; accession; augmentation; appendage; adjunct.

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 addition
      n 1: a component that is added to something to improve it; "the
           addition of a bathroom was a major improvement"; "the
           addition of cinammon improved the flavor" [syn: add-on,
            improver]
      2: 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" [ant: subtraction]
      3: 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" [syn: increase, gain]
      4: something added to what you already have; "the librarian
         shelved the new accessions"; "he was a new addition to the
         staff" [syn: accession]
      5: a suburban area laid out in streets and lots for a future
         residential area
      6: 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" [syn: summation,
          plus]