spinulationn.
/spʌɪnjʊˈleɪʃən/ The form or arrangement of spinules.
ΘΚΠ
the world > animals > animal body > general parts > [noun] > slender or pointed part > sharp > spine > form or arrangement of
spinulation1884
1884 Proc. Zool. Soc. 83 The investigation of the spinulation of Starfishes.
This entry has not yet been fully updated (first published 1914; most recently modified version published online March 2018).
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n.1884