The act of penetrating a given situation with the mind or faculties; perception, discernment. [from 17th c.]
(blackjack) A number or fraction that represents how many cards/decks will be dealt before shuffling, in contrast to the total number of cards/decks in play.
“The Chinese are already selling a 100 mm shells with depleted uranium penetrators, so they obviously know how to deal with depleted uranium.”
“It was a very sophisticated space probe, it had everything on it, penetrators, balloons, orbiting things, you know, it was just the whole shooting match.”
“Now, it is practically free for military and arms manufactures and is used in tank armor and extensively in armor-piercing shells known as depleted uranium penetrators.”