1. Plural of arborisation; branching structures or patterns resembling trees, especially in anatomy, geology, or crystallography.
Usage: chiefly British spelling (American: arborizations); technical/scientific term; often used in medical and geological contexts
2. In anatomy, branching nerve or blood vessel formations that resemble the branches of a tree.
Usage: medical/anatomical term
3. In geology and mineralogy, tree-like crystalline or mineral patterns formed on rock surfaces.
Usage: geological term

Examples

• The arborisations of the nerve endings were clearly visible under the microscope.
• Geologists studied the iron oxide arborisations on the stone surface.
• The branching arborisations in the crystal structure created a beautiful pattern.
• Vascular arborisations distribute blood throughout the organ system.
• The dendritic arborisations resembled miniature trees frozen in the mineral.