The Collaborative International Dictionary of English v.0.48:
cylindricality \cylindricality\ n. 1. the roundness of a 3-dimensional cylinder. Syn: cylindricalness; cylindricity. [WordNet 1.5]WordNet (r) 3.0 (2006):
cylindricality n 1: the roundness of a 3-dimensional cylinder [syn: cylindricality, cylindricalness]