Something, especially a liquid, that penetrates.

plural of penetrator

That penetrates; piercing.

simple past tense and past participle of penetrate

To enter into; to make way into the interior of; to pierce. / (figuratively) To achieve understanding of, despite some obstacle; to comprehend; to understand.

present participle of penetrate

able to pierce or penetrate / demonstrating acute or keen understanding

The act of penetrating something. / Specifically, the insertion of the penis (or similar object) during sexual intercourse.

plural of penetration

Third-person singular simple present indicative form of penetrate