Synonyms: additive
Definition: something added to enhance food or gasoline or paint or medicine
Similar words: add-on, addition, improver
Definition: a component that is added to something to improve it
Usage: the addition of a bathroom was a major improvement; the addition of cinnamon improved the flavor
Synonyms: additive
Definition: characterized or produced by addition
Usage: an additive process
Similar words: accumulative, cumulative
Definition: increasing by successive addition
Usage: the benefits are cumulative; the eventual accumulative effect of these substances
Similar words: addable, addible
Definition: capable of being added or added to
Similar words: additional, extra
Definition: further or added
Usage: called for additional troops; need extra help; an extra pair of shoes
Similar words: complemental, complementary, completing
Definition: acting as or providing a complement (something that completes the whole)
Similar words: incremental
Definition: increasing gradually by regular degrees or additions
Usage: lecturers enjoy...steady incremental growth in salary
Similar words: intercalary
Definition: having a day or month inserted to make the calendar year correspond to the solar year: "Feb. 29 is an intercalary day"
Usage: a leap year is an intercalary year
Similar words: summational, summative
Definition: of or relating to a summation or produced by summation
Similar words: supplemental, supplementary
Definition: added to complete or make up a deficiency
Usage: produced supplementary volumes
Definition: designating or involving an equation whose terms are of the first degree
Similar words: bilinear
Definition: linear with respect to each of two variables or positions