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Penetrating; piercing: a penetrant wind.
Something that penetrates or is capable of penetrating.


sharp; penetrating
1. (Chemistry) chem a substance that lowers the surface tension of a liquid and thus causes it to penetrate or be absorbed more easily
2. a person or thing that penetrates


(ˈpɛn ɪ trənt)

1. a person or thing that penetrates.
2. a lotion, cream, etc., that penetrates the skin.
[1535–45; < Latin penetrant- (s. of penetrāns), present participle of penetrāre to penetrate; see -ant]
References in periodicals archive ?
Tenders are invited for Dye Penetrant,Developer And Cleaners
Makers of PB B'laster, the #1 selling penetrant, B'laster is the professional choice.
The innovative fluorescent penetrant product Britemor[sup.
It's understanding how to interpret what you're looking at, not only physically, with the parts, penetrant and magnetic particle testing, but also with the machines that are telling you what's going on.
It is a good penetrant for rust and applied to light rust for 5 minutes can remove it.
The testing lab offers magnetic particle, liquid penetrant, ultrasonic, hydrostatic pressure, X-ray and visual inspection and testing services.
Liquid penetrant inspection (LPI) is a non-destructive evaluation (NDE) method used for verifying the presence of open discontinuities at the surface of analysed parts submitted for inspection (1), (2).
payload capacity gives it the ability to transport various other forms of NDT equipment including Eddy Current, Ultrasonics and Liquid Penetrant.
These products are used for nondestructive testing practices such as visual inspection, liquid penetrant and magnetic particle inspection.
They can use the dye penetrant kit, NSN 6850-00-826-0981, to make a thorough inspection of the barrel extension.
Other methods, such as radiography (x-ray), ultrasonic, magnetic particle and dye penetrant, require larger investments in equipment, floor space and personnel.
Simultaneously it was determined that before sorption experiments equalization of the intermolecular stresses, created during the compression moulding of the test plaques, is necessary and can be achieved by holding the test samples in the saturated vapours of the current penetrant at least for 24 h with subsequent drying in a vacuum oven for 72 h, and final elimination of the penetrant traces to constant mass in the gas diffusion equipment.