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Apposition (Noun)

The act of positioning close together (or side by side); "it is the result of the juxtaposition of contrasting colors".

Nouns denoting acts or actions.

A grammatical relation between a word and a noun phrase that follows; "`Rudolph the red-nosed reindeer' is an example of apposition".

Nouns denoting relations between people or things or ideas.

(biology) growth in the thickness of a cell wall by the deposit of successive layers of material.

Nouns denoting natural processes.

The apposition of new layers of cellulose in the cell wall of the tree trunk contributed to its increased girth.
Apposition can occur in any growing plant cell, allowing for a steady increase in cell wall thickness over time.
In response to drought stress, the plant exhibited apposition of thickened cell walls to prevent water loss.
The apposition of pectin-rich layers in the cell wall facilitated cell-to-cell adhesion and tissue cohesion.
Contrastingly, apposition in fungal hyphae involves the deposition of chitin-rich layers that regulate nutrient uptake and cell growth.