noun. the act of positioning close together (or side by side).
noun. a grammatical relation between a word and a noun phrase that follows.
noun. (biology) growth in the thickness of a cell wall by the deposit of successive layers of material.
1. Noun, singular or mass When methods of conservative and operative treatment have been experimentally compared, it has appeared that healing is quicker and better when apposition and fixation of the ligamentous ends have been carried out operatively.
