- a person or thing that penetrates.
- a compound that penetrates the skin, as a lotion or cream.
- a substance that lowers the surface tension of water; wetting agent.
- a large nematocyst discharging a barbed thread that penetrates the body of the prey and injects a toxic fluid.
- sharp; penetrating
- a substance that lowers the surface tension of a liquid and thus causes it to penetrate or be absorbed more easily
- a person or thing that penetrates
