tenacity (suomeksi)

sitkeys (s: quality or state of being tenacious / quality of bodies which keeps them from parting without considerable force)
sinnikkyys (s: quality or state of being tenacious)
vetolujuus (s: greatest longitudinal stress a substance can bear without tearing asunder)
vetomurtolujuus (s: greatest longitudinal stress a substance can bear without tearing asunder)