<p><strong>Noun</strong></p><ul><li>the act of placing together or bringing into proximity; juxtaposition.</li><li>the addition or application of one thing to another thing.</li><li>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.</li><li>growth of a cell wall by the deposition of new particles in layers on the wall.</li></ul>