'Penetrancy' definitions:

Definition of 'Penetrancy'

From: GCIDE
  • Penetrance \Pen"e*trance\, Penetrancy \Pen"e*tran*cy\, n. The quality or state of being penetrant; power of entering or piercing; penetrating power or quality; as, the penetrancy of subtile effluvia. [1913 Webster]