Additive
['ædɪtɪv] or ['ædətɪv]
Definition
(noun.) something added to enhance food or gasoline or paint or medicine.
(adj.) characterized or produced by addition; 'an additive process' .
Editor: Vicky--From WordNet
Definition
(a.) Proper to be added; positive; -- opposed to subtractive.
Checker: Peggy
Synonyms and Synonymous
a. To be added.
Editor: Simon