apposition

• Nom désignant une relation grammaticale où un mot ou un groupe de mots est placé à côté d'un autre pour apporter une information supplémentaire, ou un processus biologique de croissance de la paroi cellulaire par dépôts successifs de couches, ou l'action de placer des objets côte à côte.

A noun referring to a grammatical relationship where a word or phrase is placed next to another to provide additional information, or a biological process of cell wall growth through layered deposits, or the act of placing things side by side.

1. Grammatical relationC1formal

   A grammatical construction where two elements, usually noun phrases, are placed side by side, with one element serving to identify or describe the other.

   apposition

   • In the phrase 'my friend John', 'John' is in apposition to 'my friend'.
   • The sentence 'The poet, a famous writer, gave a speech' uses apposition.
   • Apposition often provides additional information about a noun.

2. Biological growthC2formal

   A process of growth in which new layers of material are deposited on the surface of a cell wall, increasing its thickness.

   Apposition (croissance par apposition)

   • Apposition is a key mechanism in the thickening of plant cell walls.
   • The growth of the shell occurs by apposition of new calcium carbonate layers.
   • In biology, apposition contrasts with intussusception, where new material is inserted within existing layers.

   Synonymesaccretion

3. Act of placing side by sideC1formal

   The act of positioning things close together or side by side.

   Juxtaposition

   • The apposition of the two buildings created a narrow alley.
   • In art, the apposition of contrasting colors can create a striking effect.
   • The apposition of the two ideas in the essay highlighted their differences.

   Synonymescollocationjuxtapositionplacement