Definitions for "Penetrating"
Keywords:  odor, sharp, acute, subtile, knifelike
Having the power of entering, piercing, or pervading; sharp; subtile; penetrative; as, a penetrating odor.
Acute; discerning; sagacious; quick to discover; as, a penetrating mind.
the tumor has a sharp well described boarder and may be ulcerated.
a wound entering an ocular structure, but not going completely through it
Keywords:  barrier, able, get
being able to get through a barrier.