Which term describes the arrangement of objects side by side or in an adjacent position?

The term that describes the arrangement of objects side by side or in an adjacent position is "juxtaposition." This term is often used in various fields, including art, literature, and medicine, to denote the placement of items in relation to one another to highlight contrasts or comparisons. In a medical context, juxtaposition can refer to the close positioning of anatomical structures or tissues, which can be important in diagnostic imaging or surgical planning.

The other terms listed do not relate to the concept of adjacent positioning: kinesioneurosis pertains to a psychological condition associated with movement, kraurosis refers to a medical condition involving tissue shrinkage, particularly in the vulva, and lallation refers to a speech disorder where an individual has difficulty pronouncing certain sounds, usually seen in children.