adjunctive

from The Century Dictionary.

• Joining; having the quality of joining.
• noun One who or that which is joined.

from the GNU version of the Collaborative International Dictionary of English.

• adjective Joining; having the quality of joining; forming an adjunct.
• noun One who, or that which, is joined.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective forming an adjunct
• adjective additional; neither basic nor primary: "adjunctive therapy"
• adjective logic the property of two operations x and y, such that ax(ayb) = a, and ay(axb) = a
• noun grammar a connector joining two components of the same weight, such as a coordinating conjunction
• noun manufacturing a substance added as a supplement; often in the phrase "additives and adjunctives."

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective joining; forming an adjunct