The Collaborative International Dictionary of English v.0.48:
Tensity \Ten"si*ty\, n. The quality or state of being tense, or strained to stiffness; tension; tenseness. [1913 Webster]WordNet (r) 3.0 (2006):
tensity n 1: the physical condition of being stretched or strained; "it places great tension on the leg muscles"; "he could feel the tenseness of her body" [syn: tension, tensity, tenseness, tautness]