D defs.my
Entry 1 sense Webster, 1913

Penetrance

· Pen·e·trance · IPA
01 n. The quality or state of being penetrant; power of entering or piercing; penetrating power or quality; as, the penetrancy of subtile effluvia.
  1. 1.
    The quality or state of being penetrant; power of entering or piercing; penetrating power or quality; as, the penetrancy of subtile effluvia.