Penetrant
Look up penetrant in Wiktionary, the free dictionary.
Penetrant may refer to:
- Penetrant (biochemical), a chemical that increases the ability of a poison to apply its toxic effect to a living organism
 - Penetrant (mechanical, electrical, or structural), service of structural item penetrating a fire-resistance rated wall or floor assembly
 - Penetrating oil, lubricant
 
See also
- Liquid penetrant, medium for Dye penetrant inspection
 - Penetrance, in genetics, is the proportion of individuals carrying a particular variant of a gene