You searched for: “spinulation”
spinulation (s) (noun), spinulations (pl)
The formation of spinules or spines: Susan read in her biology book that spinulation occurred on the extremities or on the surface of a body of epicuticular rootage or origin.
This entry is located in the following units: -ation, -ization (-iz[e] + -ation); -isation (British spelling variation) (page 87) spin-, spino-, spini- (page 3)