spinosities
/ˌspaɪˈnɑsɪtiz/
noun
- Plural of spinosity; the quality or state of being spinose, or spiny projections on a surface.
- The spinosities on the sea urchin's shell are quite sharp.
- Under the microscope, the spinosities of the pollen grain were clearly visible.
- The biologist studied the spinosities of different cactus species.