penetrant
/ˈpɛnɪtrənt/
adjective
- Able to penetrate or pierce; having the quality of entering or passing through something.
- The scientist used a penetrant dye to find cracks in the metal.
- The penetrant cold of the Arctic wind made everyone shiver.
- A penetrant odor of smoke filled the entire house after the fire.
noun
- A substance used to penetrate surfaces, especially in testing for cracks or leaks.
- A fluorescent penetrant is often used under ultraviolet light for better visibility.
- After spraying the penetrant, they waited for it to seep into any hidden cracks.
- The technician applied a red penetrant to the weld to check for defects.