additive

from WordNet (r) 3.0 (2006)

additive
    adj 1: designating or involving an equation whose terms are of
           the first degree [syn: {linear}, {additive}] [ant:
           {nonlinear}]
    2: characterized or produced by addition; "an additive process"
       [ant: {subtractive}]
    n 1: something added to enhance food or gasoline or paint or
         medicine

from The Collaborative International Dictionary of English v.0.48

Additive \Ad"di*tive\, a. [L. additivus.] (Math.)
   Proper to be added; positive; -- opposed to {subtractive}.
   [1913 Webster]

from The Free On-line Dictionary of Computing (8 July 2008)

additive

   <mathematics> A function f : X -> Y is additive if

    for all Z <= X
    f (lub Z)  =  lub { f z : z in Z }

   (f "preserves {lubs}").  All additive functions defined over
   {cpos} are {continuous}.

   ("<=" is written in {LaTeX} as {\subseteq}, "lub" as \sqcup ).

   (1995-02-03)

from Moby Thesaurus II by Grady Ward, 1.0

48 Moby Thesaurus words for "additive":
      accession, accessory, accompaniment, accumulative, addenda,
      addendum, additament, addition, additional, additory, additum,
      adjunct, adjuvant, annex, annexation, appanage, appendage,
      appendant, appurtenance, appurtenant, attachment, augment,
      augmentation, chain, coda, complement, component, concomitant,
      constituent, continuation, corollary, cumulative, elemental,
      extension, extrapolation, fixture, increase, increment, offshoot,
      pendant, reinforcement, side effect, side issue, summational,
      summative, supplement, tailpiece, undergirding

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