( n. )
The act or process of penetrating, piercing, or entering; also, the act of mentally penetrating into, or comprehending, anything difficult.
( n. )
The act or process of penetrating, piercing, or entering; also, the act of mentally penetrating into, or comprehending, anything difficult.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012