a. Obs. rare. [f. SPICUL-A or SPICUL-UM + -INE2.] = SPICULATED ppl. a. 2.
1754. Phil. Trans., XLVIII. 836. It seems to be from this spiculine or needle-like form that antimonial preparations have their emetic quality. Ibid. (1775), LXV. 92. The first solution deposits some of its colour in the form of minute spiculine crystals.