tenacity Meaning, Definition & Usage

  1. noun persistent determination
    perseverance; persistency; tenaciousness; doggedness; pertinacity; persistence.

WordNet

Te*nac"i*ty noun
Etymology
L. tenacitas: cf. F. ténacité. See Tenacious.
Definitions
  1. The quality or state of being tenacious; as, tenacity, or retentiveness, of memory; tenacity, or persistency, of purpose.
  2. That quality of bodies which keeps them from parting without considerable force; cohesiveness; the effect of attraction; -- as distinguished from brittleness, fragility, mobility, etc.
  3. That quality of bodies which makes them adhere to other bodies; adhesiveness; viscosity. Holland.
  4. (Physics) The greatest longitudinal stress a substance can bear without tearing asunder, -- usually expressed with reference to a unit area of the cross section of the substance, as the number of pounds per square inch, or kilograms per square centimeter, necessary to produce rupture.

Webster 1913