additive

1. Designating or involving an equation whose terms are of the first degree (synset 301420302)
   referred to in: math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
   similar to: bilinear - linear with respect to each of two variables or positions
   same as: linear
2. Characterized or produced by addition (synset 300048349)
   "an additive process"
   similar to:

   • 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:
   • summational, summative - of or relating to a summation or produced by summation
   • supplemental, supplementary - added to complete or make up a deficiency

1. Something added to enhance food or gasoline or paint or medicine (synset 102682642)
   is a type of: add-on, addition, improver - a component that is added to something to improve it
   subtypes:

   • 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

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