additional; neither basic nor primary
forming an adjunct
the property of two operations x and y, such that ax(ayb) = a, and ay(axb) = a
a substance added as a supplement; often in the phrase "additives and adjunctives."
a connector joining two components of the same weight, such as a coordinating conjunction
Derived or acquired from something extrinsic; not part of the real, inherent, or essential nature of a thing.