adjunctive

noun

  1. (grammar) 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."

adjective

  1. Forming an adjunct

  2. Additional; neither basic nor primary

    "adjunctive therapy"

  3. The property of two operations x and y, such that ax(ayb) = a, and ay(axb) = a