spinule noun. ['spɪnju:l] M18.
[Latin spinula dim. of spina SPINE: see -ULE.]
Zoology & Botany. A small or minute spine or spinelike process, esp. in invertebrates.

■ spinulate adjective bearing spinules or small spines M19.

■ spinu'lation noun the form or arrangement of spinules L19.

■ spinu'lescent adjective tending to produce small spines E19.

■ spinu'liferous adjective = spinulate M19.

■ spinulose adjective (a) = spinulate; (b) Botany (of the tooth of a fern pinnule etc.) prolonged into a hairlike point: E19.

■ spinulous adjective = spinulate M19.

[TahlilGaran] English Dictionary ▲