Definitions

1. adjective

Having spines or hairs like a porcupine.

“The spinulosa species is known for its unique defense mechanism, resembling a porcupine.”

2. noun

A suffix used in the scientific naming of certain species, especially in the genus Porphyria, indicating spines or hairs.

“The spinulosa in the genus Porphyria refers to the distinctive spiny appearance of these organisms.”