impregnate
/ˈɪmpreɪɡneɪt/Definitions
1. verb
to cause something to become pregnant or to fill a material with a substance
“The engineer’s job was to impregnate the polymer with a specific chemical.”
2. verb
to fill a material or medium with a substance, especially to make a photographic image visible
“The impregnated paper produced a clear, detailed photograph.”
3. noun
a substance used to fill a material or medium, especially in photography
“The impregnate used in the camera was of high quality and produced excellent results.”