Pēn'e-tran-çy or Pēn'e-trant1
power of entering or piercing; as, the penetrancy of subtile effluvia.
2 entries under this word
Penetrancy
Pĕn'e-trant2, a.
a. [Lat. penetrans, p. pr. of penetrare; Fr. pénétrant, It. & Sp. penetrante.] Having power to enter or pierce; sharp; subtle; as, food subtilized and rendered fluid and penetrant. Ray.