cūrĭōsĭtas, ātis, f. [curiosus],
desire of knowledge, curiosity, inquisitiveness (very rare), Cic. Att. 2, 12, 2; Macr. S. 1, 11, 45; Tert. adv. Haeret. 17; id. Apol. 25.
cūriōsitās ātis, f curiosus, eagerness for knowledge, inquisitiveness . ...
An Elementary Latin Dictionary