adjunctive

adj

1. (not-comparable)Forming an adjunct.
2. (not-comparable)Forming an adjunct.
3. (not-comparable)Additional; neither basic nor primary.

   “adjunctive therapy”

4. (not-comparable)The property of two operations x and y, such that ax(ayb) = a, and ay(axb) = a.

noun

1. A connector joining two components of the same weight, such as a coordinating conjunction.
2. A substance added as a supplement; often in the phrase "additives and adjunctives.".