- 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.
- Zoology. a large nematocyst discharging a barbed thread that penetrates the body of the prey and injects a toxic fluid.
Origin of penetrant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for penetrant
Then he raised his eyes from the water and swept the sky in a penetrant gaze.The Harvester
Gene Stratton Porter
"What he doesn't sell he buys," he cried in his nervous, penetrant tones.The Voice of the People
With Mr. Tassers penetrant and suspicious gaze on him, he decided that it would be wise to avoid all seeming interest in Myron.Full-Back Foster
Ralph Henry Barbour
The dew lay heavy on the laurel leaves of the thickets, and the breeze was perfumed with the penetrant fragrance of many blossoms.Heart of the Blue Ridge
Sharp shoe-calks afford a means of infliction of penetrant wounds which may occasion open joint and infectious arthritis.Lameness of the Horse
John Victor Lacroix
- sharp; penetrating
- chem 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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012