additive

Definitions of additive
  1. adjective
    characterized or produced by addition
    “an additive process”
    Synonyms:
    accumulative, cumulative
    increasing by successive addition
    addable, addible
    capable of being added or added to
    additional, extra
    further or added
    complemental, complementary, completing
    acting as or providing a complement (something that completes the whole)
    incremental
    increasing gradually by regular degrees or additions
    intercalary
    having a day or month inserted to make the calendar year correspond to the solar year: "Feb. 29 is an intercalary day"
    summational, summative
    of or relating to a summation or produced by summation
    supplemental, supplementary
    added to complete or make up a deficiency
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    Antonyms:
    subtractive
    constituting or involving subtraction
    ablative
    tending to ablate; i.e. to be removed or vaporized at very high temperature
    reductive
    characterized by or causing diminution or curtailment
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  2. adjective
    designating or involving an equation whose terms are of the first degree
    synonyms: linear
    bilinear
    linear with respect to each of two variables or positions
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    Antonyms:
    nonlinear
    designating or involving an equation whose terms are not of the first degree
  3. noun
    something added to enhance food or gasoline or paint or medicine
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    types:
    adjuvant
    an additive that enhances the effectiveness of medical treatment
    artificial additive, food additive
    an additive to food intended to improve its flavor or appearance or shelf-life
    type of:
    add-on, addition, improver
    a component that is added to something to improve it
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