penetrate

Definition

To enter into; to make way into the interior of; to pierce.

Etymology

From Latin penētrātus, perfect passive participle of penētrō (“to put, set, or place within, enter, pierce, penetrate”) (see -ate (verb-forming suffix)), from penes (“within, with”) by analogy to intrō (“to go in, enter”). Compare French pénétrer.

Example Sentences

• "Light penetrates darkness."
• "He takes the prepared charcoal used by artists, brings it to a white heat, and suddenly plunges it in a bath of mercury, of which the globules instantly penetrate the pores of charcoal, and may be said to metallize it."
• "The native-born and the "naturalised" locomotives have been giving way to the standardised types, of which the L.M.S.R. class "5" 4-6-0 has led the way and has penetrated the furthest."