1. the formation of small needle-like structures or projections
Usage: medical; biological
2. a small sharp-pointed projection or spine
Usage: technical

Examples

• The radiologist noted spiculation at the edges of the lung mass.
• Bone spiculation was visible on the X-ray following the fracture.
• The pathologist observed spiculation in the tissue sample under the microscope.
• Spiculation of the tumor margins suggested malignancy.
• The coral’s surface showed extensive spiculation.
• Microscopic spiculation was evident in the biopsy results.