appositional

noun

1. the act of placing together or bringing into proximity; juxtaposition.
2. the addition or application of one thing to another thing.
3. Grammar. a syntactic relation between expressions, usually consecutive, that have the same function and the same relation to other elements in the sentence, the second expression identifying or supplementing the first. In Washington, our first president, the phrase our first president is in apposition with Washington.
4. Biology. growth of a cell wall by the deposition of new particles in layers on the wall.Compare intussusception(def 2).

noun

1. a putting into juxtaposition
2. a grammatical construction in which a word, esp a noun phrase, is placed after another to modify its meaning
3. biology growth in the thickness of a cell wall by the deposition of successive layers of materialCompare intussusception (def. 2)

n.

1. The putting in contact of two parts or substances.
2. The condition of being placed or fitted together.
3. The growth of successive layers of a cell wall.